APL WikiAttachment 'netDIO.v1.2.txt'
Download 1 :Namespace netDIO
2
3 ⍝ Disk And File Input/Output Utility Using .Net.
4 ⍝ Check The Comments of Each Methods For More Information.
5 ⍝ Requirements: v12.1 Unicode and .Net 2.0
6 ⍝
7 ⍝ Methods in DIO:
8 ⍝ BFileRead - Reads The Contents of a Binary File Into a Character Vector Without Encoding.
9 ⍝ BFileWrite - Creates a New File, Write The Specified Character Vector to The File Without Encoding.
10 ⍝ DialogFolder - Selects a Directory with FolderBrowserDialog.
11 ⍝ DialogOpenFile - Selects a File to Open With OpenFileDialog.
12 ⍝ DialogSaveFile - Selects a File to Save With SaveFileDialog.
13 ⍝ DirCopy - Copies a Directory And Its Contents. SubDirectories Are Not Copied.
14 ⍝ DirCreate - Creates All Directories And Subdirectories as Specified By Path.
15 ⍝ DirDelete - Deletes The Specified Directory And Any Subdirectories in The Directory.
16 ⍝ DirExists - Determines Whether The Given Path Refers to an Existing Directory on Disk.
17 ⍝ DirMove - Moves a Directory And Its Contents. SubDirectories Are Moved.
18 ⍝ DirRename - Renames a Directory (This Method is Identical to DirMove).
19 ⍝ DirSize - Returns The Size in Bytes of a Directory And It's Subdirectories.
20 ⍝ EncodingDetector - Returns The Encoding of a File And it's Content.
21 ⍝ FileCopy - Copies an Existing File to a New File.
22 ⍝ FileDelete - Deletes a File.
23 ⍝ FileExists - Verify if One or Many File(s) Exists.
24 ⍝ FileMove - Moves a File to a New Location.
25 ⍝ FileRename - Renames a File (This Method is Identical to FileMove).
26 ⍝ FileSize - Returns The Size of a File in Bytes.
27 ⍝ FileVersion - Returns The File Version of a File in Characters.
28 ⍝ GetAttributes - Returns The Attributes of a File in Numeric And Litteral Form.
29 ⍝ GetCreationTime - Returns The Creation Date And Time of a File as a DateTime Object.
30 ⍝ GetDirCurrent - Returns The Current Directory Path.
31 ⍝ GetDirectories - Returns The SubDirectories of a Directory.
32 ⍝ GetDrives - Returns The Names of The Logical Drives on This Computer as "<drive letter>:\".
33 ⍝ GetExtension - Returns The Extension of a Path String.
34 ⍝ GetFiles - Returns The Names of Files in a Directory.
35 ⍝ GetTempFileName - Returns a Uniquely Named Temporary File on Disk With Full Path.
36 ⍝ GetTempPath - Returns The Path of The Current System's Temporary Folder.
37 ⍝ NS2File - Function to save and retrieve a Namespace (NS) under a format compatible with C#.
38 ⍝ SetAttributes - Sets The Attributes of a File.
39 ⍝ SetDirCurrent - Sets The Current Directory Path.
40 ⍝ TFileAppend - Appends The Specified Text to a File Using The Default Windows Code Page.
41 ⍝ TFileRead - Reads The Contents of a Text File Using the Default Windows Code Page.
42 ⍝ TFileWrite - Creates a New File, Writes The Text Using The Default Windows Code Page.
43 ⍝ UFileAppend - Appends The Specified Text to a File Using The UTF-8 Encoding.
44 ⍝ UFileAppendAllLines- Appends lines to a file using UTF8 encoding, and then closes the file.
45 ⍝ UFileRead - Reads The Contents of a Unicode Text File.
46 ⍝ UFileReadAllLines - Opens a text file, reads all lines of the file, and then closes the file.
47 ⍝ UFileWrite - Creates a New File, Writes The Text Using The UTF8 Encoding.
48 ⍝ UFileWriteAllLines - Creates a new file, writes the specified individual lines to the file by using UTF8 encoding.
49 ⍝ ZipCompressFile - Compress a file using Syncfusion Zip namespace.
50
51 ⍝ Version 1.0 February 2015, Pierre Gilbert
52 ⍝
53 ⍝ Version 1.1 August 2015
54 ⍝ Method Added: UFileAppendAllLines
55 ⍝
56 ⍝ Version 1.2 March 2016
57 ⍝ Method Corrected for bug: FileSize
58
59 (⎕IO ⎕ML ⎕WX)←1 3 3
60
61 ∆DBR←{
62 (~(∧\' '=⍵)∨(⌽∧\⌽' '=⍵))/⍵}
63
64 ∆IsString←{
65 0 2∊⍨10|⎕DR ⍵}
66
67 ∇ r←BFileRead file_name;BA;FS;sink;size;⎕USING
68 :Access Public Shared
69 ⍝ Reads The Contents of a Binary File Into a Character Vector Without Encoding.
70 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
71 ⍝
72 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
73 ⍝ r = 1 (Bytes as 8 bits characters) (File Name) if Successfull
74 ⍝ r = 0 (Error Description) (File Name) if Failure
75 ⍝
76 ⍝ Example: R ← DIO.BFileRead 'C:\MyBinaryFile'
77 ⍝ Success: R ← 1 (Bytes as 8 bits characters) 'C:\MyBinaryFile'
78 ⍝ Failure: R ← 0 'File Name Does Not Exists' 'C:\MyBinaryFile'
79 ⍝
80 ⍝ Example: R ← DIO.BFileRead '' ⍝ Select the File to Read Using the Open File Dialog
81
82 ⍝ VERIFY IF 'file_name' IS EMPTY OR HAS CHARACTERS
83 :If 0=↑⍴file_name←∊file_name ⍝ Empty ?
84 ⍝ Call the Open File Dialog
85 :If 0=↑⍴file_name←DialogOpenFile
86 ⍝ Failure: No File Name. Exit the program.
87 r←0 'No File Name' '' ⋄ →0
88 :Else
89 ⍝ Do Nothing, 'file_name' is not Empty.
90 :End
91 :ElseIf ~∆IsString file_name
92 ⍝ Failure: 'file_name' Not Characters.
93 r←0 'File Name Must Be Characters'file_name ⋄ →0
94 :Else
95 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
96 :End
97
98 ⍝ MAKE THE CALL
99 :Trap 0
100 ⍝ No Conversion is made with this Call.
101 ⎕USING←',mscorlib.dll'
102 r←1(⎕UCS System.IO.File.ReadAllBytes(⊂,file_name))file_name
103 :Else
104 ⍝ Failure: Unexpected Error While Reading the File
105 r←0 GetLastError file_name
106 :EndTrap
107 ∇
108
109 ∇ r←data BFileWrite file_name;⎕USING
110 :Access Public Shared
111 ⍝ Creates a New File, Write The Specified Character Vector to The File Without Encoding
112 ⍝ And Then Close the File. If the Target File Already Exists, It Is Overwritten.
113 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
114 ⍝
115 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
116 ⍝ data = Vector of 8 bits Characters
117 ⍝
118 ⍝ r = 1 (data) (File Name) if Successfull
119 ⍝ r = 0 (Error Description) (File Name) if Failure
120 ⍝
121 ⍝ Example: R ← 'ABCDEF' DIO.BFileWrite 'C:\MyBinaryFile'
122 ⍝ Success: R ← 1 'ABCDEF' 'C:\MyBinaryFile'
123 ⍝ Failure: R ← 0 'File Name Does Not Exists' 'C:\MyBinaryFile'
124 ⍝
125 ⍝ Example: R ← 'ABCDEF' DIO.BFileWrite '' ⍝ Select the File to Write Using the Open File Dialog
126
127 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTER
128 :If 0=↑⍴file_name←∊file_name ⍝ Empty ?
129 ⍝ Call the Open File Dialog
130 :If 0=↑⍴file_name←DialogOpenFile
131 ⍝ Failure: No File Name. Exit the program.
132 r←0 'No File Name' '' ⋄ →0
133 :Else
134 ⍝ Do Nothing, 'file_name' is not Empty.
135 :End
136 :ElseIf ~∆IsString file_name
137 ⍝ Failure: File Name Not Characters.
138 r←0 'The File Name Must Be Characters'file_name ⋄ →0
139 :Else
140 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
141 :End
142
143 ⍝ VERIFY IF 'data' IS CHARACTER
144 :If ~∆IsString data
145 ⍝ 'data' Must be 8 bits Characters
146 r←0 'The Data Must be 8 bits Characters'file_name ⋄ →0
147 :End
148
149 ⍝ MAKE THE CALL
150 :Trap 0
151 ⎕USING←',mscorlib.dll'
152 System.IO.File.WriteAllBytes((⊂,file_name),(⊂⎕UCS data))
153 r←1 data file_name
154 :Else
155 ⍝ Failure: Unexpected Error While Writing the File
156 r←0 GetLastError file_name
157 :End
158 ∇
159
160 ∇ path←DialogFolder;DR;FBD;⎕USING
161 :Access Public Shared
162 ⍝ Selects a Directory with FolderBrowserDialog.
163
164 :Trap 0
165 ⎕USING←',System.Windows.Forms.dll'
166 FBD←⎕NEW System.Windows.Forms.FolderBrowserDialog
167 DR←System.Windows.Forms.DialogResult
168
169 ⍝ Shows the Dialog as Modal and Owned by the Current APL Process
170 :If DR.OK=FBD.ShowDialog ⍬
171 path←FBD.SelectedPath
172 :Else
173 path←''
174 :End
175
176 FBD.Dispose ⍝ With ShowDialog the form is not dispose automatically.
177
178 :Else
179 ⍝ Unexpected Error
180 ⎕←GetLastError
181 path←''
182 :EndTrap
183 ∇
184
185 ∇ file_name←DialogOpenFile;DR;OFD;⎕USING
186 :Access Public Shared
187
188 :Trap 0
189 ⍝ Selects a File to Open With OpenFileDialog.
190 ⎕USING←',System.Windows.Forms.dll'
191 OFD←⎕NEW System.Windows.Forms.OpenFileDialog
192 DR←System.Windows.Forms.DialogResult
193
194 OFD.Title←'Select a File'
195 OFD.CheckFileExists←0
196 OFD.InitialDirectory←'::{20D04FE0-3AEA-1069-A2D8-08002B30309D}' ⍝ My Computer
197 ⍝ OFD.InitialDirectory←'::{450D8FBA-AD25-11D0-98A8-0800361B1103}' ⍝ My Documents
198 ⍝ OFD.InitialDirectory←'::{208D2C60-3AEA-1069-A2D7-08002B30309D}' ⍝ My Network Places
199
200 ⍝ Shows the Dialog as Modal and Owned by the Current APL Process
201 :If DR.OK=OFD.ShowDialog ⍬
202 file_name←OFD.FileName
203 :Else
204 file_name←''
205 :End
206
207 OFD.Dispose ⍝ With ShowDialog the form is not dispose automatically.
208
209 :Else
210 ⍝ Unexpected Error
211 ⎕←GetLastError
212 file_name←''
213 :EndTrap
214 ∇
215
216 ∇ file_name←DialogSaveFile;DR;SFD;⎕USING
217 :Access Public Shared
218 ⍝ Selects a File to Save With SaveFileDialog.
219
220 :Trap 0
221 ⎕USING←',System.Windows.Forms.dll'
222 SFD←⎕NEW System.Windows.Forms.SaveFileDialog
223 DR←System.Windows.Forms.DialogResult
224
225 SFD.Title←'Save As'
226 SFD.OverwritePrompt←1
227 SFD.InitialDirectory←'::{20D04FE0-3AEA-1069-A2D8-08002B30309D}' ⍝ My Computer
228 ⍝ OFD.InitialDirectory←'::{450D8FBA-AD25-11D0-98A8-0800361B1103}' ⍝ My Documents
229 ⍝ OFD.InitialDirectory←'::{208D2C60-3AEA-1069-A2D7-08002B30309D}' ⍝ My Network Places
230
231 ⍝ Shows the Dialog as Modal and Owned by the Current APL Process
232 :If DR.OK=SFD.ShowDialog ⍬
233 file_name←SFD.FileName
234 :Else
235 file_name←''
236 :End
237
238 SFD.Dispose ⍝ With ShowDialog the form is not dispose automatically.
239
240 :Else
241 ⍝ Unexpected Error
242 ⎕←GetLastError
243 file_name←''
244 :EndTrap
245 ∇
246
247 ∇ r←DirCopy(source_path target_path);i;inter;source_file;source_files;target_file;⎕USING
248 :Access Public Shared
249 ⍝ Copies a Directory And Its Contents to a New Location. SubDirectories Are Not Copied.
250 ⍝ The Copy is Made Synchronously Without Animation.
251 ⍝
252 ⍝ source_path = Source Directory Path
253 ⍝ target_path = Target Directory Path
254 ⍝
255 ⍝ r = 1 (source_path target_path), if successfull
256 ⍝ r = 0 (ERROR) (source_path target_path), if failure
257
258 ⍝ CHECK IF SOURCE DIRECTORY EXISTS
259 :If 0=↑DirExists source_path
260 r←0 'Source Directory Does Not Exists'(source_path target_path) ⋄ →0
261 :End
262
263 ⍝ GET THE FILE NAMES OF THE SOURCE DIRECTORY
264 :If 1=1↑inter←GetFiles source_path'*' 'TopDirectoryOnly'
265 source_files←2⊃inter ⍝ File Names Without the Source Path
266 :Else
267 r←inter ⋄ →0
268 :End
269
270 ⍝ CREATE A NEW TARGET DIRECTORY, IF NECESSARY
271 :If 0=↑DirExists target_path
272 :AndIf 0=↑DirCreate target_path
273 r←0 'Not Able to Create the Target Directory'target_path ⋄ →0
274 :End
275
276 ⍝ COPY THE FILES FROM THE SOURCE TO THE TARGET DIRECTORY
277 :Trap 0
278
279 ⎕USING←',mscorlib.dll'
280 :For i :In ⍳⍴source_files
281 ⍝ File Name With the Source Directory Path
282 source_file←System.IO.Path.Combine((⊂,source_path),(⊂,i⊃source_files))
283
284 ⍝ File Name With the Target Directory Path
285 target_file←System.IO.Path.Combine((⊂,target_path),(⊂,i⊃source_files))
286
287 ⍝ 1 = Overwrite Permitted
288 System.IO.File.Copy((⊂,source_file),(⊂,target_file),1)
289 :EndFor
290
291 r←1(source_path target_path)
292
293 :Else
294 ⍝ Unexpected Error
295 r←0 GetLastError(source_path target_path)
296 :End
297 ∇
298
299 ∇ r←DirCreate path;⎕USING
300 :Access Public Shared
301 ⍝ Creates All Directories And Subdirectories as Specified By Path.
302 ⍝
303 ⍝ r = 1 (path), if successfull
304 ⍝ r = 0 (ERROR) (path), if Failure
305
306 :If ~∆IsString path←∊path
307 r←0 'Argument Must Be Characters'path ⋄ →0
308 :End
309
310 ⍝ MAKE THE CALL
311 :Trap 0
312 ⎕USING←',mscorlib.dll'
313 r←1((System.IO.Directory.CreateDirectory(⊂,path)).FullName)
314 :Else
315 ⍝ Unexpected Error While Creating the Directory
316 r←0 GetLastError path
317 :EndTrap
318 ∇
319
320 ∇ r←DirDelete path;⎕USING
321 :Access Public Shared
322 ⍝ Deletes The Specified Directory And Any Subdirectories in The Directory.
323 ⍝ Will Erase the Directory Even if Not Empty.
324 ⍝
325 ⍝ r = 1 (path), if Successfull
326 ⍝ r = 0 (ERROR) (path), if Failure
327
328 ⍝ CHECK IF DIRECTORY EXISTS
329 :If 0=↑DirExists path
330 ⍝ The Directory Does Not Exists. No Need to Erase It.
331 r←1 path ⋄ →0
332 :End
333
334 ⍝ MAKE THE CALL
335 :Trap 0
336 ⎕USING←',mscorlib.dll'
337 System.IO.Directory.Delete((⊂,path),1)
338 r←1 path
339 :Else
340 ⍝ Unexpected Error While Deleting the Directory
341 r←0 GetLastError path
342 :EndTrap
343 ∇
344
345 ∇ r←DirExists path;⎕USING
346 :Access Public Shared
347 ⍝ Determines Whether The Given Path Refers to an Existing Directory on Disk.
348 ⍝
349 ⍝ r = 1 (path), if Exists
350 ⍝ r = 0 (ERROR) (path), if Failure
351
352 :If ~∆IsString path←∊path
353 r←0 'Argument Must Be Characters'path ⋄ →0
354 :End
355
356 ⍝ MAKE THE CALL
357 :Trap 0
358 ⎕USING←',mscorlib.dll'
359 r←(System.IO.Directory.Exists(⊂,path))path
360 :Else
361 ⍝ Unexpected Error
362 r←0 GetLastError path
363 :End
364 ∇
365
366 ∇ r←DirMove(source_path target_path);⎕USING
367 :Access Public Shared
368 ⍝ Moves a Directory And Its Contents to a New Location. SubDirectories Are Moved.
369 ⍝ This Method is Identical to DirRename.
370 ⍝
371 ⍝ source_path = Source Directory Path
372 ⍝ target_path = Target Directory Path
373 ⍝
374 ⍝ r = 1 (source_path target_path), if successfull
375 ⍝ r = 0 (ERROR) (source_path target_path), if failure
376
377 ⍝ CHECK IF SOURCE DIRECTORY EXIST
378 :If 0=↑DirExists source_path
379 r←0 'Source Directory Does Not Exists'(source_path target_path) ⋄ →0
380 :End
381
382 ⍝ CHECK IF TARGET DIRECTORY EXIST
383 :If 1=↑DirExists target_path
384 r←0 'Target Directory Must Not Exists'(source_path target_path) ⋄ →0
385 :End
386
387 ⍝ MAKE THE CALL
388 :Trap 0
389 ⎕USING←',mscorlib.dll'
390 System.IO.Directory.Move((⊂,source_path),(⊂,target_path))
391 r←1(source_path target_path)
392 :Else
393 ⍝ Unexpected Error While Moving the Directory
394 r←0 GetLastError(source_path target_path)
395 :EndTrap
396 ∇
397
398 ∇ r←DirRename(actual_path new_path);⎕USING
399 :Access Public Shared
400 ⍝ Renames a Directory (This Method is Identical to DirMove).
401 ⍝
402 ⍝ actual_path = Actual Directory Path
403 ⍝ new_path = New Directory Path
404 ⍝
405 ⍝ r = 1 (actual_path new_path), if successfull
406 ⍝ r = 0 (ERROR) (arg), if failure
407
408 ⍝ CHECK IF ACTUAL DIRECTORY EXIST
409 :If 0=↑DirExists actual_path
410 r←0 'Actual Directory Does Not Exists'(actual_path new_path) ⋄ →0
411 :End
412
413 ⍝ CHECK IF NEW DIRECTORY EXIST
414 :If 1=↑DirExists new_path
415 r←0 'New Directory Must Not Exists'(actual_path new_path) ⋄ →0
416 :End
417
418 ⍝ MAKE THE CALL
419 :Trap 0
420 ⎕USING←',mscorlib.dll'
421 System.IO.Directory.Move((⊂,actual_path),(⊂,new_path))
422 r←1(actual_path new_path)
423 :Else
424 ⍝ Unexpected Error While Renaming the Directory
425 r←0 GetLastError(actual_path new_path)
426 :EndTrap
427 ∇
428
429 ∇ r←DirSize arg;directory_info;files_info;i;infos;IODI;path;search_pattern;test;⎕USING
430 :Access Public Shared
431 ⍝ Returns The Size in Bytes of a Directory And It's Subdirectories.
432 ⍝
433 ⍝ arg[1] = The fully qualified Directory Path
434 ⍝ arg[2] = [Optional] The search string to match against the names of directories found
435 ⍝ r = 1 (Size in Bytes of the Directories), if Successfull
436 ⍝ r = 0 (ERROR) (arg), if Failure
437 ⍝
438 ⍝ EXAMPLES: r ← DIO.DirSize Path [SearchPattern]
439 ⍝
440 ⍝ EXAMPLES:
441 ⍝ r←DIO.DirSize 'C:\MyDir' ⍝ Size of All Directories of 'C:\MyDir'
442 ⍝ r←DIO.DirSize 'C:\MyDir' 'p*' ⍝ Size of 'C:\MyDir' and SubDirectories Name beginning with 'p'
443
444 ⍝ PARSE THE ARGUMENT
445 :If 2=≡arg ⍝ Nested ?
446 :Select ↑⍴arg
447 :CaseList 0 1
448 path←arg←∊arg
449 search_pattern←'*'
450 :Case 2
451 (path search_pattern)←arg
452 :Else
453 r←0 'Argument Ill Formed'arg ⋄ →0
454 :EndSelect
455 :ElseIf ∆IsString arg ⍝ Characters ?
456 path←arg
457 search_pattern←'*'
458 :Else
459 r←0 'Argument Ill Formed'arg ⋄ →0
460 :End
461
462 ⍝ TEST IF TOP DIRECTORY EXISTS
463 :If 0=↑DirExists path
464 r←0 'Directory Does Not Exists'arg ⋄ →0
465 :End
466
467 ⍝ FIND SIZE OF TOP DIRECTORY AND SUBDIRECTORIES
468 :Trap 0
469 ⎕USING←',mscorlib.dll'
470 ⍝ Directory Structure for Top Directory
471 directory_info←,⎕NEW System.IO.DirectoryInfo(⊂,path)
472
473 ⍝ Iterate to find the subdirectories's size
474 r←0
475 :While 0≠⍴directory_info
476 IODI←1⊃directory_info
477 directory_info←1↓directory_info
478 :Trap 0
479 infos←IODI.GetFileSystemInfos(⊂,search_pattern)
480 :Else
481 ⍝ Directory That Can't be Access
482 'Directory Not Accessible: ',IODI.FullName
483 :Continue
484 :End
485
486 :If 0≠⍴infos
487 ⍝ Not an empty directory
488 files_info←(test←infos.GetType∊System.IO.FileInfo)/infos
489 :For i :In ⍳⍴files_info
490 :Trap 0
491 r+←{Convert.ToDouble ⍵.Length}(i⊃files_info)
492 :Else
493 ⍝ File That Can't be Read
494 'File Not Accessible: ',(i⊃files_info).FullName
495 :Continue
496 :EndTrap
497 :End
498 directory_info←directory_info,(~test)/infos
499 :Else
500 ⍝ Do Nothing - Empty Directory
501 :End
502 :EndWhile
503
504 r←1 r
505
506 :Else
507 ⍝ Unexpected Error
508 r←0 GetLastError arg
509 :End
510 ∇
511
512 ∇ r←EncodingDetector file_name;BA;bytes;ENC;inter;I2;string;z;⎕USING
513 :Access Public Shared
514 ⍝ Returns The Encoding of a File And it's Content.
515 ⍝ Detected From Their BOM: UTF-32LE, UTF-32BE, UTF-8, UTF-16LE, UTF-16BE.
516 ⍝ An UTF-8 File Without BOM or ASCII Encoding Can Also be Detected.
517 ⍝ This method could also be use to read a text file when the encoding is unknown.
518 ⍝
519 ⍝ file_name = Fully Qualified File Name
520 ⍝ r = 1 (ENCODING NAME) (file content) (file_name),if Success
521 ⍝ r = 0 (Exception) file_name ,if Failure
522
523 :Trap 0
524 ⍝ GET THE BINARY VALUE OF THE FILE
525 :If 1=↑inter←BFileRead file_name
526 bytes←2⊃inter ⍝ Character Vector
527 BA←⎕UCS bytes ⍝ Numeric Vector ⍝ Value
528 file_name←3⊃inter ⍝ In Case file_name Was Empty
529 :Else
530 r←0(2⊃inter)file_name ⋄ →0
531 :End
532
533 ⎕USING←',mscorlib.dll'
534 ⍝ DETECTION WITH THE BYTE ORDER MARK (BOM)
535 :If 255 254 0 0≡4⍴BA ⍝ 0xFF FE 00 00
536 ⍝ UTF-32LE Detected
537 ENC←⎕NEW System.Text.UTF32Encoding(0 1 1)
538 string←ENC.GetString((⊂,BA),4,¯4+⍴BA)
539 r←1 'UTF-32LE'string file_name ⋄ →0
540
541 :ElseIf 0 0 254 255≡4⍴BA ⍝ 0x00 00 FE FF
542 ⍝ UTF-32BE Detected
543 ENC←⎕NEW System.Text.UTF32Encoding(1 1 1)
544 string←ENC.GetString((⊂,BA),4,¯4+⍴BA)
545 r←1 'UTF-32BE'string file_name ⋄ →0
546
547 :ElseIf 239 187 191≡3⍴BA ⍝ 0xEF BB BF
548 ⍝ UTF-8 Detected
549 ENC←⎕NEW System.Text.UTF8Encoding(1 1)
550 string←ENC.GetString((⊂,BA),3,¯3+⍴BA)
551 r←1 'UTF-8'string file_name ⋄ →0
552
553 :ElseIf 255 254≡2⍴BA ⍝ 0xFF FE
554 ⍝ UTF-16LE Detected
555 ENC←⎕NEW System.Text.UnicodeEncoding(0 1 1)
556 string←ENC.GetString((⊂,BA),2,¯2+⍴BA)
557 r←1 'UTF-16LE'string file_name ⋄ →0
558
559 :ElseIf 254 255≡2⍴BA ⍝ 0xFE FF
560 ⍝ UTF-16BE Detected
561 ENC←⎕NEW System.Text.UnicodeEncoding(1 1 1)
562 string←ENC.GetString((⊂,BA),2,¯2+⍴BA)
563 r←1 'UTF-16BE'string file_name ⋄ →0
564 :End
565
566 ⍝ If there is no BOM the only way to test is to try to Decode
567 ⍝ and verify if there is an error or not doing so.
568
569 ⍝ *** DECODE TEST FOR UTF-8 WITHOUT BOM ***
570 ⍝ CREATE THE MULTIBYTE SEQUENCES
571 →(∨/254 255∊BA)/ASCII ⍝ 0xFE and 0xFF not permitted
572 z←(BA≥128)∧(BA≤191) ⍝ Multibyte are 1 and BA≤127 are 0
573 z←z+2×(BA≥192)∧(BA≤223) ⍝ 2 Multibyte Indicator
574 z←z+3×(BA≥224)∧(BA≤239) ⍝ 3 Multibyte Indicator
575 z←z+4×(BA≥240)∧(BA≤247) ⍝ 4 Multibyte Indicator
576 z←z+5×(BA≥248)∧(BA≤251) ⍝ 5 Multibyte Indicator
577 z←z+6×(BA≥252)∧(BA≤253) ⍝ 6 Multibyte Indicator
578
579 ⍝ CONVERT TO CHARACTERS
580 z←⎕UCS z
581
582 ∆SS←{⎕ML←3 ⍝ Approx alternative to xutils' ss.
583 srce find repl←,¨⍵ ⍝ Source, find and replace vectors.
584 cvex←{(+\find⍷⍵)⊂⍵}find,srce ⍝ Partitioned at find points.
585 (⍴repl)↓∊{repl,(⍴find)↓⍵}¨cvex}
586
587 ⍝ REPLACE THE MULTIBYTE SEQUENCE WITH ZERO'S
588 z←∆SS z(⎕UCS 2 1)(⎕UCS 0 0) ⍝ 2 Multibyte Sequences
589 z←∆SS z(⎕UCS 3 1 1)(⎕UCS 0 0 0) ⍝ 3 Multibyte Sequences
590 z←∆SS z(⎕UCS 4 1 1 1)(⎕UCS 0 0 0 0) ⍝ 4 Multibyte Sequences
591 z←∆SS z(⎕UCS 5 1 1 1 1)(⎕UCS 0 0 0 0 0) ⍝ 5 Multibyte Sequences
592 z←∆SS z(⎕UCS 6 1 1 1 1 1)(⎕UCS 0 0 0 0 0 0) ⍝ 6 Multibyte Sequences
593
594 ⍝ CONVERT TO NUMBERS
595 z←⎕UCS z
596
597 ⍝ THE SUM SHOULD BE 0 IF UTF-8 ENCODING
598 :If 0=+/z
599 ⍝ UTF-8 Encoding With No BOM Detected
600 ENC←⎕NEW System.Text.UTF8Encoding(1 1)
601 string←ENC.GetString((⊂,BA),0,⍴BA)
602 r←1 'UTF-8NoBOM'string file_name ⋄ →0
603 :End
604
605 ASCII: ⍝ *** DECODE TEST FOR ASCII ***
606 :If 1=∧/BA≤127
607 ⍝ ASCII DETECTED
608 ENC←⎕NEW System.Text.ASCIIEncoding
609 string←ENC.GetString((⊂,BA),0,⍴BA)
610 r←1 'ASCII'string file_name ⋄ →0
611 :End
612
613 ⍝ When All The Other Test Fails, We Use Then The Default Page of The Computer
614 ENC←System.Text.Encoding
615 string←ENC.Default.GetString((⊂,BA),0,⍴BA)
616 r←1 'DEFAULT'string file_name
617 :Else
618 ⍝ Unexpected Error While Searching the Encoding
619 r←0 GetLastError file_name
620 :EndTrap
621 ∇
622
623 ∇ r←FileCopy(source_FileName target_FileName);target_path;⎕USING
624 :Access Public Shared
625 ⍝ Copies an Existing File to a New File.
626 ⍝ Overwriting a file of the same name is allowed.
627 ⍝
628 ⍝ r = 1 (source_FileName target_FileName), if successfull
629 ⍝ r = 0 (ERROR) (source_FileName target_FileName), if failure
630
631 ⍝ CHECK IF SOURCE FILE EXISTS
632 :If 0=↑FileExists source_FileName
633 r←0 'Source File Does Not Exists'(source_FileName target_FileName) ⋄ →0
634 :End
635
636 ⎕USING←',mscorlib.dll'
637 ⍝ GET THE TARGET DIRECTORY FROM THE TARGET FILE NAME
638 :Trap 0
639 target_path←System.IO.Path.GetDirectoryName(⊂,target_FileName)
640 :Else
641 r←0 'Not Able to Get the Target Directory'(source_FileName target_FileName) ⋄ →0
642 :EndTrap
643
644 ⍝ CREATE A NEW TARGET DIRECTORY, IF IT DOES NOT EXISTS
645 :If 0=↑DirExists target_path
646 :AndIf 0=↑DirCreate target_path
647 r←0 'Not Able to Create the Target Directory'(source_FileName target_FileName) ⋄ →0
648 :End
649
650 ⍝ COPY THE FILE
651 :Trap 0
652 System.IO.File.Copy((⊂,source_FileName),(⊂,target_FileName),1) ⍝ 1 = Overwrite Permitted
653 r←1(source_FileName target_FileName)
654 :Else
655 r←0 GetLastError(source_FileName target_FileName)
656 :End
657 ∇
658
659 ∇ r←FileDelete file_name;⎕USING
660 :Access Public Shared
661 ⍝ Deletes a File.
662 ⍝
663 ⍝ file_name = Fully Qualified File Name
664 ⍝ r = 1 (file_name), if Successfull
665 ⍝ r = 0 (ERROR) (file_name) ,if Failure
666
667 :If ~∆IsString file_name
668 ⍝ Failure: 'file_name' Not Characters.
669 r←0 'File Name Must Be Characters'file_name ⋄ →0
670 :End
671
672 ⍝ MAKE THE CALL
673 :Trap 0
674 ⎕USING←',mscorlib.dll'
675 System.IO.File.Delete(⊂,file_name)
676 r←1 file_name
677 :Else
678 r←0 GetLastError file_name
679 :EndTrap
680 ∇
681
682 ∇ r←FileExists file_name;i;⎕USING
683 :Access Public Shared
684 ⍝ Verify if One or Many File(s) Exists.
685 ⍝
686 ⍝ file_name = One or More Fully Qualified File Name(s)
687 ⍝ r = 1 if Exists, 0 Otherwise
688 ⍝
689 ⍝ Example: r ← DIO.FileExists 'C:\MyDir\MyFile1.ext' 'C:\MyDir\MyFile2.ext'
690
691 ⍝ PARSE THE ARGUMENT
692 :If 2=≡file_name ⍝ Nested ?
693 ⍝ Nested File Name. Replace the Non-Character Names with ''
694 file_name[{(1=⍵)/⍳⍴,⍵}~∆IsString¨file_name]←⊂,''
695 :ElseIf ∆IsString file_name ⍝ Characters Not Nested ?
696 ⍝ Vector of Characters, only one File Name
697 file_name←,⊂,file_name
698 :Else
699 ⍝ Vector of Non-Character. No need to make the Call.
700 r←(⍴,file_name)⍴0 ⋄ →0
701 :End
702
703 ⍝ MAKE THE CALL
704 :Trap 0
705 ⎕USING←',mscorlib.dll'
706 r←System.IO.File.Exists¨⊂¨,¨file_name ⍝ File(s) Exist(s) or Name(s) are Valid
707 :Else
708 ⍝ Failure: Unexpected Error.
709 ⎕←'#.UTIL.DIO.FileExists Error: '
710 ⎕←GetLastError
711 :End
712 ∇
713
714 ∇ r←FileMove(source_FileName target_FileName);target_path;⎕USING
715 :Access Public Shared
716 ⍝ Moves a File to a New Location.
717 ⍝ Target Directory Is Created if Inexistant.
718 ⍝ Target File Name Is Deleted if Existant.
719 ⍝
720 ⍝ r = 1 (source_FileName target_FileName), if successfull
721 ⍝ r = 0 (ERROR) (source_FileName target_FileName), if failure
722
723 ⍝ CHECK IF SOURCE FILE EXISTS
724 :If 0=↑FileExists source_FileName
725 r←0 'Source File Does Not Exists'(source_FileName target_FileName) ⋄ →0
726 :End
727
728 ⎕USING←',mscorlib.dll'
729
730 ⍝ GET THE TARGET DIRECTORY FROM THE TARGET FILE NAME
731 :Trap 0
732 target_path←System.IO.Path.GetDirectoryName(⊂,target_FileName)
733 :Else
734 r←0 'Not Able to Obtain the Target Directory'(source_FileName target_FileName) ⋄ →0
735 :EndTrap
736
737 ⍝ CREATE A NEW TARGET DIRECTORY, IF IT DOES NOT EXISTS
738 :If 0=↑DirExists target_path
739 :AndIf 0=↑DirCreate target_path
740 r←0 'Not Able to Create the Target Directory'(source_FileName target_FileName) ⋄ →0
741 :End
742
743 ⍝ ERASE THE TARGET FILE IF EXISTING
744 :If 1=↑FileExists target_FileName
745 :AndIf 0=↑FileDelete target_FileName
746 r←0 'Not Able to Erase the Target File'(source_FileName target_FileName) ⋄ →0
747 :End
748
749 ⍝ MOVE THE FILE
750 :Trap 0
751 System.IO.File.Move((⊂,source_FileName),(⊂,target_FileName))
752 r←1(source_FileName target_FileName)
753 :Else
754 ⍝ Unexpected Error While Moving the File
755 r←0 GetLastError(source_FileName target_FileName)
756 :End
757 ∇
758
759 ∇ r←FileRename(old_FileName new_FileName);target_path;⎕USING
760 :Access Public Shared
761 ⍝ Renames a File (This Method is Identical to FileMove).
762 ⍝ New File Name Directory Is Created if Inexistant.
763 ⍝ New File Name Is Deleted if Existant.
764 ⍝
765 ⍝ r = 1 (old_FileName new_FileName), if successfull
766 ⍝ r = 0 (ERROR) (old_FileName new_FileName), if failure
767
768 ⍝ CHECK IF OLD FILE NAME EXISTS
769 :If 0=↑FileExists old_FileName
770 r←0 'Old File Name Does Not Exists'(old_FileName new_FileName) ⋄ →0
771 :End
772
773 ⎕USING←',mscorlib.dll'
774
775 ⍝ GET THE TARGET DIRECTORY FROM THE NEW FILE NAME
776 :Trap 0
777 target_path←System.IO.Path.GetDirectoryName(⊂,new_FileName)
778 :Else
779 r←0 'Not Able to Obtain the New File Directory'(old_FileName new_FileName) ⋄ →0
780 :EndTrap
781
782 ⍝ CREATE A NEW TARGET DIRECTORY, IF IT DOES NOT EXISTS
783 :If 0=↑DirExists target_path
784 :AndIf 0=↑DirCreate target_path
785 r←0 'Not Able to Create the New File Directory'(old_FileName new_FileName) ⋄ →0
786 :End
787
788 ⍝ ERASE THE TARGET FILE IF EXISTING
789 :If 1=↑FileExists new_FileName
790 :AndIf 0=↑FileDelete new_FileName
791 r←0 'Not Able to Erase the New File'(old_FileName new_FileName) ⋄ →0
792 :End
793
794 ⍝ RENAME THE FILE
795 :Trap 0
796 System.IO.File.Move((⊂,old_FileName),(⊂,new_FileName))
797 r←1(old_FileName new_FileName)
798 :Else
799 ⍝ Unexpected Error While Moving the File
800 r←0 GetLastError(old_FileName new_FileName)
801 :End
802 ∇
803
804 ∇ r←FileSize file_name;IOFI;⎕USING
805 :Access Public Shared
806 ⍝ Returns The Size of a File in Bytes.
807 ⍝
808 ⍝ file_name = Fully Qualified File Name
809 ⍝ r = 1 (Size in Bytes of the File) file_name, if Successfull
810 ⍝ r = 0 (ERROR) file_name, if Failure.
811 ⍝
812 ⍝ EXAMPLE: r ← DIO.FileSize 'C:\MyDir\MyFile.ext'
813
814 ⍝ CHECK IF FILE EXISTS
815 :If 0=↑FileExists file_name
816 r←0 'File Does Not Exists'file_name ⋄ →0
817 :End
818
819 ⍝ MAKE THE CALL
820 :Trap 0
821 ⎕USING←',mscorlib.dll'
822 IOFI←⎕NEW System.IO.FileInfo(⊂,file_name)
823 r←1(System.Convert.ToDouble(IOFI.Length))file_name
824 :Else
825 ⍝ Unexpected Error While Obtaining The File Size
826 r←0 GetLastError file_name
827 :End
828 ∇
829
830 ∇ r←FileVersion file_name;FVI;v;⎕USING
831 :Access Public Shared
832 ⍝ Returns The File Version of a File in Characters.
833 ⍝
834 ⍝ file_name = Fully Qualified File Name
835 ⍝ r = 1 (Version in Characters or '' if empty) (File Name) if Successfull
836 ⍝ r = 0 (Error Description) (File Name) if Failure
837
838 ⍝ CHECK IF FILE EXISTS
839 :If 0=↑FileExists file_name
840 r←0 'File Does Not Exists'file_name ⋄ →0
841 :End
842
843 ⍝ MAKE THE CALL
844 :Trap 0 6
845 ⍝ FileVersionInfo Object is Returned
846 ⎕USING←',System.dll'
847 FVI←System.Diagnostics.FileVersionInfo.GetVersionInfo(⊂,file_name)
848
849 ⍝ The File Version is a Vector of Characters
850 r←1(FVI.FileVersion)file_name
851 :Case 6
852 ⍝ VALUE ERROR. There is No File Version Available
853 r←1 ''file_name
854 :Else
855 ⍝ Unexpected Error While Obtaining The File Version
856 r←0 GetLastError file_name
857 :EndTrap
858 ∇
859
860 ∇ r←GetAttributes file_name;attributes;inter;⎕USING
861 :Access Public Shared
862 ⍝ Returns The Attributes of a File in Numeric And Litteral Form.
863 ⍝
864 ⍝ file_name = Fully Qualified File Name
865 ⍝ r = 1 (Numeric Attributes) (Litteral Attributes) (file_name), if Successfull
866 ⍝ r = 0 (Error Description) (file_name), if Failure
867 ⍝
868 ⍝ Attributes Are:
869 ⍝ 1 = ReadOnly
870 ⍝ 2 = Hidden
871 ⍝ 4 = System
872 ⍝ 16 = Directory
873 ⍝ 32 = Archive
874 ⍝ 64 = Device
875 ⍝ 128 = Normal
876 ⍝ 256 = Temporary
877 ⍝ 512 = SparseFile
878 ⍝ 1024 = ReparsePoint
879 ⍝ 2048 = Compressed
880 ⍝ 4096 = Offline
881 ⍝ 8192 = NotContentIndexed
882 ⍝ 16384 = Encrypted
883
884 ⍝ CHECK IF FILE EXISTS
885 :If 0=↑FileExists file_name
886 r←0 'File Does Not Exists'file_name ⋄ →0
887 :End
888
889 ⍝ MAKE THE CALL
890 :Trap 0
891 ⎕USING←',mscorlib.dll'
892 attributes←System.IO.File.GetAttributes(⊂,file_name)
893 :Else
894 ⍝ Unexpected Error While Obtaining the Attributes
895 r←0 GetLastError file_name ⋄ →0
896 :End
897
898 ⍝ FIND THE NUMERICAL VALUES ATTRIBUTES
899 inter←⌽(15⍴2)⊤attributes.value__
900 inter←,2*(-⎕IO)+inter/⍳⍴inter
901
902 ⍝ RETURNED VALUE IS THE NUMERICAL AND LITTERAL ATTRIBUTES
903 r←1 inter(attributes.ToString ⍬)file_name
904 ∇
905
906 ∇ r←GetCreationTime file_name;⎕USING
907 :Access Public Shared
908 ⍝ Returns The Creation Date And Time of a File as a DateTime Object.
909 ⍝
910 ⍝ file_name = Fully Qualified File Name
911 ⍝ r = 1 ([.net:DateTime]) (file_name), if Successfull
912 ⍝ r = 0 (ERROR) (file_name) ,if Failure
913
914 ⍝ CHECK IF FILE EXISTS
915 :If 0=↑FileExists file_name
916 r←0 'File Does Not Exists'file_name ⋄ →0
917 :End
918
919 ⍝ MAKE THE CALL
920 :Trap 0
921 ⎕USING←',mscorlib.dll'
922 r←1(System.IO.File.GetCreationTime(⊂,file_name))file_name
923 :Else
924 r←0 GetLastError file_name
925 :EndTrap
926
927 ∇
928
929 ∇ r←GetDirCurrent;⎕USING
930 :Access Public Shared
931 ⍝ Returns The Current Directory Path.
932 ⍝
933 ⍝ r = 1 (Current Directory), if Successfull
934 ⍝ r = 0 (ERROR), if Failure
935
936 ⍝ MAKE THE CALL
937 :Trap 0
938 ⎕USING←',mscorlib.dll'
939 r←1(System.IO.Directory.GetCurrentDirectory)
940 :Else
941 ⍝ Unexpected Error
942 r←0 GetLastError
943 :End
944 ∇
945
946 ∇ r←GetDirectories arg;arg_save;path;search_option;search_pattern;⎕USING
947 :Access Public Shared
948 ⍝ Returns The SubDirectories of a Directory.
949 ⍝
950 ⍝ USAGE: r ← DIO.GetDirectories Path [SearchPattern] [SearchOption]
951 ⍝
952 ⍝ Path = Directory Path to search
953 ⍝ SearchPattern = The search string to match against the names of directories found
954 ⍝ SearchOption = 'TopDirectoryOnly' to search only the specified directory (default)
955 ⍝ 'AllDirectories' to search all subdirectories
956 ⍝ r = 1 (Nested vector with the fully qualified directory names) arg, if Successfull
957 ⍝ r = 0 (ERROR) arg, if Failure
958 ⍝
959 ⍝ EXAMPLES:
960 ⍝ r←DIO.GetDirectories 'C:\MyDir' '*' 'AllDirectories' ⍝ All Subdirectories of 'C:\MyDir'
961 ⍝ r←DIO.GetDirectories 'C:\MyDir' 'p*' ⍝ Subdirectories of 'C:\MyDir' beginning with 'p'
962
963 ⍝ PARSE THE ARGUMENT
964 search_pattern←'*.*'
965 :If 2=≡arg_save←arg ⍝ Nested ?
966 :Select ↑⍴arg
967 :CaseList 0 1
968 path←∊arg
969 :Case 2
970 (path search_pattern)←arg
971 :Case 3
972 (path search_pattern search_option)←arg
973 :Else
974 r←0 'Argument Ill Formed'arg ⋄ →0
975 :EndSelect
976 :ElseIf ∆IsString arg ⍝ Characters ?
977 path←arg
978 :Else
979 r←0 'Argument Ill Formed'arg ⋄ →0
980 :End
981
982 ⍝ TEST IF DIRECTORY EXISTS
983 :If 0=↑DirExists path
984 r←0 'Directory Does Not Exists'arg_save ⋄ →0
985 :End
986
987 ⎕USING←',mscorlib.dll'
988
989 ⍝ TEST IF SEARCH OPTION IS VALID
990 :If 0≠⎕NC'search_option' ⍝ Exists ?
991 ⍝ search_option is defined
992 :If ∆IsString search_option ⍝ Characters ?
993 :If 1=(⊂search_option)∊System.IO.SearchOption.⎕NL ¯2
994 ⍝ Valid Search Option
995 search_option←⍎'System.IO.SearchOption.',search_option
996 (3⊃arg)←search_option
997 :Else
998 ⍝ Search Option is not Valid
999 ⍝ 'AllDirectories' or 'TopDirectoryOnly' are Valid
1000 r←0 'Search Option is Not Valid'arg ⋄ →0
1001 :End
1002 :Else
1003 ⍝ Search Option is not Valid
1004 ⍝ 'AllDirectories' or 'TopDirectoryOnly' are Valid
1005 r←0 'Search Option is Not Valid'arg ⋄ →0
1006 :End
1007 :Else
1008 ⍝ search_option is not defined
1009 search_option←System.IO.SearchOption.TopDirectoryOnly
1010 :End
1011
1012 ⍝ MAKE THE CALL
1013 :Trap 0
1014 r←1(System.IO.Directory.GetDirectories((⊂,path),(⊂,search_pattern),(search_option)))arg
1015 :Else
1016 ⍝ Failure: Unexpected Error
1017 r←0 GetLastError arg
1018 :End
1019 ∇
1020
1021 ∇ r←GetDrives;⎕USING
1022 :Access Public Shared
1023 ⍝ Returns The Names of The Logical Drives on This Computer in The Form "<drive letter>:\".
1024 ⍝
1025 ⍝ r = 1 (Logical Drives), if Successfull
1026 ⍝ r = 0 (ERROR), if Failure
1027
1028 ⍝ MAKE THE CALL
1029 :Trap 0
1030 ⎕USING←',mscorlib.dll'
1031 r←1(System.IO.Directory.GetLogicalDrives)
1032 :Else
1033 ⍝ Unexpected Error While Obtaining the Logical Drives
1034 r←0 GetLastError
1035 :End
1036 ∇
1037
1038 ∇ r←GetExtension file_name;⎕USING
1039 :Access Public Shared
1040 ⍝ Returns The Extension of a Path String.
1041 ⍝ Will Return the extension of a file name even if the file does not exists
1042 ⍝
1043 ⍝ file_name = Fully Qualified File Name
1044 ⍝ r = (Extension), if Successfull
1045 ⍝ r = '', if Failure
1046
1047 ⍝ MAKE THE CALL
1048 :Trap 0
1049 ⎕USING←',mscorlib.dll'
1050 r←System.IO.Path.GetExtension(⊂,file_name)
1051 :Else
1052 ⍝ Unexpected Error While Getting the Extension
1053 r←''
1054 :End
1055 ∇
1056
1057 ∇ r←GetFiles arg;arg_save;path;rLong;rShort;search_option;search_pattern;⎕USING
1058 :Access Public Shared
1059 ⍝ Returns The Names of Files in a Directory.
1060 ⍝
1061 ⍝ USAGE: r ← DIO.GetFiles Path [SearchPattern] [SearchOption]
1062 ⍝
1063 ⍝ Path = Directory Path to search
1064 ⍝ SearchPattern = The search string to match against the names of files found
1065 ⍝ SearchOption = 'TopDirectoryOnly' to search only the specified directory (default)
1066 ⍝ 'AllDirectories' to search all subdirectories
1067 ⍝
1068 ⍝ r = 1 (Nested vector with the SHORT files names) (Nested vector with the LONG files names) arg, if Successfull
1069 ⍝ r = 0 (ERROR) arg, if Failure
1070 ⍝
1071 ⍝ EXAMPLES:
1072 ⍝ r←DIO.GetFiles 'C:\MyDir' '*' 'AllDirectories' ⍝ All Files in All Subdirectories of 'C:\MyDir'
1073 ⍝ r←DIO.GetFiles 'C:\MyDir' 'p*' ⍝ Files of 'C:\MyDir' beginning with 'p'
1074 ⍝ r←DIO.GetFiles 'C:\MyDir' '*.exe' ⍝ Files of 'C:\MyDir' ending with '.exe'
1075
1076 ⍝ PARSE THE ARGUMENT
1077 search_pattern←'*.*'
1078 :If 2=≡arg_save←arg
1079 :Select ↑⍴arg
1080 :CaseList 0 1
1081 path←∊arg
1082 :Case 2
1083 (path search_pattern)←arg
1084 :Case 3
1085 (path search_pattern search_option)←arg
1086 :Else
1087 r←0 'Argument Ill Formed'arg_save ⋄ →0
1088 :EndSelect
1089 :ElseIf ∆IsString arg
1090 path←arg
1091 :Else
1092 r←0 'Argument Ill Formed'arg_save ⋄ →0
1093 :End
1094
1095 ⍝ TEST IF DIRECTORY EXISTS
1096 :If 0=↑DirExists path
1097 r←0 'Directory does not Exists'arg_save ⋄ →0
1098 :End
1099
1100 ⎕USING←',mscorlib.dll'
1101
1102 ⍝ TEST IF SEARCH OPTION IS VALID
1103 :If 0≠⎕NC'search_option' ⍝ Exists ?
1104 ⍝ search_option is defined
1105 :If ∆IsString search_option ⍝ Characters ?
1106 :If 1=(⊂search_option)∊System.IO.SearchOption.⎕NL ¯2
1107 ⍝ Valid Search Option
1108 search_option←⍎'System.IO.SearchOption.',search_option
1109 (3⊃arg)←search_option
1110 :Else
1111 ⍝ Search Option is not Valid
1112 ⍝ 'AllDirectories' or 'TopDirectoryOnly' are Valid
1113 r←0 'Search Option is Not Valid'arg ⋄ →0
1114 :End
1115 :Else
1116 ⍝ Search Option is not Valid
1117 ⍝ 'AllDirectories' or 'TopDirectoryOnly' are Valid
1118 r←0 'Search Option is Not Valid'arg ⋄ →0
1119 :End
1120 :Else
1121 ⍝ Default Value
1122 search_option←System.IO.SearchOption.TopDirectoryOnly
1123 :End
1124
1125 ⍝ MAKE THE CALL
1126 :Trap 0
1127 rLong←System.IO.Directory.GetFiles((⊂,path),(⊂,search_pattern),(search_option))
1128 :If 0≠↑⍴rLong
1129 rShort←System.IO.Path.GetFileName¨⊂¨,¨rLong ⍝ To Removes the Directory Path
1130 rLong←∆DBR¨⊂[2]rLong[⍋rLong←⊃[2]rLong;] ⍝ Sorts the Names
1131 rShort←∆DBR¨⊂[2]rShort[⍋rShort←⊃[2]rShort;] ⍝ Sorts the Names
1132 :Else
1133 ⍝ The directory is empty
1134 rShort←rLong
1135 :End
1136
1137 r←1 rShort rLong arg_save
1138 :Else
1139 ⍝ Failure: Unexpected Error
1140 r←0 GetLastError arg_save
1141 :End
1142 ∇
1143
1144 ∇ r←GetLastError
1145 :Access Public Shared
1146 ⍝ Returns the Last Error
1147
1148 :If 90=⎕EN
1149 r←'EXCEPTION: ',⎕EXCEPTION.Message
1150 :Else
1151 r←(1⊃⎕DM),': ',∆DBR(2⊃⎕DM)
1152 :EndIf
1153 ∇
1154
1155 ∇ sa←GetNetStringArray apl;i;⎕USING
1156 ⍝ To get a .Net String[]
1157
1158 ⎕USING←'System'
1159 apl←,apl
1160 sa←Array.CreateInstance(Type.GetType⊂'System.String')(⍴apl)
1161
1162 :For i :In ⍳⍴apl
1163 sa.SetValue(i⊃apl)(i-1)
1164 :EndFor
1165 ∇
1166
1167 ∇ r←GetTempFileName;⎕USING
1168 :Access Public Shared
1169 ⍝ Returns a Uniquely Named, Zero-Byte Temporary File on Disk With Full Path.
1170 ⍝
1171 ⍝ r = 1 (File Name), if Successfull
1172 ⍝ r = 0 (ERROR), if Failure
1173
1174 ⍝ MAKE THE CALL
1175 :Trap 0
1176 ⎕USING←',mscorlib.dll'
1177 r←1(System.IO.Path.GetTempFileName)
1178 :Else
1179 ⍝ Unexpected Error
1180 r←0 GetLastError
1181 :EndTrap
1182 ∇
1183
1184 ∇ r←GetTempPath;⎕USING
1185 :Access Public Shared
1186 ⍝ Returns The Path of The Current System's Temporary Folder.
1187 ⍝
1188 ⍝ r = 1 (Path), if Successfull
1189 ⍝ r = 0 (ERROR), if Failure
1190
1191 ⍝ MAKE THE CALL
1192 :Trap 0
1193 ⎕USING←',mscorlib.dll'
1194 r←1(System.IO.Path.GetTempPath)
1195 :Else
1196 ⍝ Unexpected Error
1197 r←0 GetLastError
1198 :EndTrap
1199 ∇
1200
1201 ∇ r←{nsOrKey}NS2File fileName;binaryFormatter;case;fileStream;hashTable;key;ns;val;⎕USING
1202 :Access Public Shared
1203 ⍝ Function to save and retrieve a Namespace (NS) under a format compatible with C#.
1204 ⍝ Based on: http://forums.dyalog.com/viewtopic.php?f=18&t=213&p=856
1205 ⍝
1206 ⍝ fileName = Fully qualified file name
1207 ⍝ nsOrKey = Namespace to save under fileName
1208 ⍝ = Key of retreived NS saved under fileName
1209 ⍝ = if empty returns the full NS saved under fileName
1210
1211 ⎕USING←0⍴⊂'' ⍝ To Speed up ⎕NC
1212
1213 ⍝ Check for nsOrKey and select the case:
1214 :If 0=⎕NC'nsOrKey'
1215 ⍝ nsOrKey does not exist. Read the fileName and return a NameSpace.
1216 case←'ReadFile'
1217
1218 :ElseIf 9=⎕NC'nsOrKey'
1219 ⍝ nsOrKey is a NameSpace. Save it under FileName.
1220 ns←nsOrKey ⋄ case←'SaveNS'
1221
1222 :ElseIf ' '=↑1↑0⍴nsOrKey
1223 ⍝ nsOrKey is character(s). Read the fileName and return only this Key.
1224 key←nsOrKey ⋄ case←'ReturnKey'
1225
1226 :Else
1227 r←0 'Left Argument Must be a NameSpace or a Character Vector(Key)'
1228 →0
1229
1230 :End
1231
1232 ⍝ The only ⎕USING required subsequently.
1233 ⎕USING←',mscorlib.dll'
1234
1235 ⍝ Required for all the cases.
1236 binaryFormatter←⎕NEW System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
1237
1238 :Select case
1239 :Case 'ReadFile'
1240 ⍝ Read the file and return a namespace
1241 :Trap 0
1242 fileStream←⎕NEW System.IO.FileStream(fileName System.IO.FileMode.Open)
1243 hashTable←binaryFormatter.Deserialize fileStream
1244 ns←⎕NS''
1245
1246 :For key :In hashTable.Keys
1247 val←hashTable.get_Item⊂key
1248 ⍎'ns.',key,'←val'
1249 :End
1250
1251 fileStream.Close
1252 r←1 ns
1253
1254 :Else
1255 →ERROR
1256
1257 :EndTrap
1258
1259 :Case 'ReturnKey'
1260
1261 :Trap 0
1262 fileStream←⎕NEW System.IO.FileStream(fileName System.IO.FileMode.Open)
1263 hashTable←binaryFormatter.Deserialize fileStream
1264
1265 :If ~hashTable.ContainsKey(⊂key)
1266 ⍝ Key is not present in HashTable
1267 r←0 'Invalid Key: ',∊key ⋄ fileStream.Close ⋄ →0
1268
1269 :Else
1270 ⍝ The Key is valid.
1271 val←hashTable.get_Item⊂key
1272 fileStream.Close
1273 r←1 val
1274 :End
1275
1276 :Else
1277 →ERROR
1278
1279 :EndTrap
1280
1281
1282 :Case 'SaveNS'
1283 ⍝ Save the NS to the file name.
1284 :Trap 0
1285 hashTable←⎕NEW System.Collections.Hashtable
1286
1287 :For key :In ns.⎕NL-2
1288 hashTable.Add key(ns.⍎key)
1289 :End
1290
1291 fileStream←⎕NEW System.IO.FileStream(fileName System.IO.FileMode.Create)
1292 binaryFormatter.Serialize fileStream hashTable
1293 r←1 fileStream.Length hashTable.Count ⍝ Bytes Written, Number of Items
1294 fileStream.Close
1295
1296 :Else
1297 →ERROR
1298
1299 :EndTrap
1300
1301 :EndSelect
1302
1303 →0
1304
1305 ERROR:
1306
1307 ⍝ Show the Error:
1308 :If 90=⎕EN
1309
1310 r←0('#.UTIL.DIO.NS2File EXCEPTION: ',⎕EXCEPTION.Message)
1311 :Else
1312 r←0((1⊃⎕DM),': ',{(~(∧\' '=⍵)∨(⌽∧\⌽' '=⍵))/⍵}(2⊃⎕DM))
1313 :EndIf
1314
1315 ⍝ Try to close the fileStream in case the error happened before closing it:
1316 :Trap 0
1317 fileStream.Close
1318 :EndTrap
1319 ∇
1320
1321 ∇ r←new_attributes SetAttributes file_name;inter;old_attributes;⎕USING
1322 :Access Public Shared
1323 ⍝ Sets The Attributes of a File.
1324 ⍝ Positive Attributes Will be Added and Negative Attributes Removed
1325 ⍝
1326 ⍝ file_name = Fully Qualified File Name
1327 ⍝ r = 1 (Numeric Attributes) (Litteral Attributes) (file_name), if Successfull
1328 ⍝ r = 0 (Error Description) (file_name), if Failure
1329 ⍝
1330 ⍝ Attributes Are:
1331 ⍝ 1 = ReadOnly
1332 ⍝ 2 = Hidden
1333 ⍝ 4 = System
1334 ⍝ 16 = Directory
1335 ⍝ 32 = Archive
1336 ⍝ 64 = Device
1337 ⍝ 128 = Normal
1338 ⍝ 256 = Temporary
1339 ⍝ 512 = SparseFile
1340 ⍝ 1024 = ReparsePoint
1341 ⍝ 2048 = Compressed
1342 ⍝ 4096 = Offline
1343 ⍝ 8192 = NotContentIndexed
1344 ⍝ 16384 = Encrypted
1345
1346 ⍝ CHECK IF FILE EXISTS
1347 :If 0=↑FileExists file_name
1348 r←0 'File Does Not Exists'file_name ⋄ →0
1349 :End
1350
1351 ⍝ GET THE CURRENT ATTRIBUTES
1352 :If 0=↑inter←GetAttributes file_name
1353 ⍝ Failure
1354 r←0(2⊃inter)file_name ⋄ →0
1355 :Else
1356 ⍝ Success
1357 old_attributes←2⊃inter
1358 :End
1359
1360 ⍝ REMOVE THE NEGATIVE ATTRIBUTES
1361 inter←old_attributes~|(new_attributes<0)/new_attributes
1362
1363 ⍝ ADD THE POSITIVE ATTRIBUTES
1364 inter←inter,(new_attributes>0)/new_attributes
1365
1366 ⍝ MAKE SURE THERE IS NO REPETITIONS
1367 inter←∪inter
1368
1369 ⍝ ADD UP ALL THE ATTRIBUTES
1370 inter←+/inter
1371
1372 ⍝ MAKE THE CALL
1373 :Trap 0
1374 ⎕USING←',mscorlib.dll'
1375 System.IO.File.SetAttributes((⊂,file_name),(⍬⍴inter))
1376 r←GetAttributes file_name
1377 :Else
1378 ⍝ Unexpected Error While Setting the Attributes
1379 r←0 GetLastError file_name
1380 :EndTrap
1381 ∇
1382
1383 ∇ r←SetDirCurrent path;⎕USING
1384 :Access Public Shared
1385 ⍝ Sets The Current Directory Path.
1386 ⍝
1387 ⍝ r = 1 (Current Directory), if Successfull
1388 ⍝ r = 0 (ERROR) path, if Failure
1389
1390 :If ~∆IsString path←∊path
1391 ⍝ Failure: 'path' Not Characters.
1392 r←0 'Path Must Be Characters'path ⋄ →0
1393 :End
1394
1395 ⍝ Check if 'path' Exists
1396 :If 0=↑DirExists path
1397 r←0 'Directory Does Not Exists'path ⋄ →0
1398 :End
1399
1400 ⍝ MAKE THE CALL
1401 :Trap 0
1402 ⎕USING←',mscorlib.dll'
1403 System.IO.Directory.SetCurrentDirectory(⊂,path)
1404 r←1 path
1405 :Else
1406 ⍝ Unexpected Error
1407 r←0 GetLastError path
1408 :End
1409 ∇
1410
1411 ∇ r←text TFileAppend file_name;⎕USING
1412 :Access Public Shared
1413 ⍝ Appends The Specified Text to a File Using The Default Windows Code Page.
1414 ⍝ The file is created if it does not already exist.
1415 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1416 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1417 ⍝
1418 ⍝ file_name = Fully Qualified File Name, if Empty Use DialogOpenFile
1419 ⍝ text = Vector of Characters or String Object
1420 ⍝ r = 1 (text) (File Name), if Successfull
1421 ⍝ r = 0 (ERROR) (File Name), if Failure
1422 ⍝
1423 ⍝ Example: R ← 'ABCDEF' DIO.TFileAppend 'C:\MyTextFile.txt'
1424 ⍝ Success: R ← 1 'ABCDEF' 'C:\MyTextFile.txt'
1425 ⍝ Failure: R ← 0 'Error Description' 'C:\MyTextFile.txt'
1426 ⍝
1427 ⍝ Example: R ← 'ABCDEF' DIO.TFileAppend '' ⍝ Select the File to Write Using the Open File Dialog
1428
1429 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1430 :If 0=↑⍴file_name ⍝ Empty ?
1431 ⍝ Call the Open File Dialog
1432 :If 0=↑⍴file_name←DialogOpenFile
1433 ⍝ Failure: No File Name. Exit the program.
1434 r←0 'No File Name' '' ⋄ →0
1435 :Else
1436 ⍝ Do Nothing, 'file_name' is not Empty.
1437 :End
1438 :ElseIf ~∆IsString file_name
1439 ⍝ Failure: 'file_name' Not Characters.
1440 r←0 'File Name Must Be Characters'file_name ⋄ →0
1441 :Else
1442 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1443 :End
1444
1445 ⍝ VERIFY IF 'text' IS CHARACTERS
1446 :If ~∆IsString text
1447 ⍝ 'text' Must be Characters
1448 r←0 'The Text Must be Characters'file_name ⋄ →0
1449 :End
1450
1451 ⍝ MAKE THE CALL
1452 :Trap 0
1453 ⍝ System.Text.Encoding.Default = Default Encoding Page On This Computer
1454 ⎕USING←',mscorlib.dll'
1455 System.IO.File.AppendAllText((⊂,file_name),(⊂,text),(System.Text.Encoding.Default))
1456 r←1 text file_name
1457 :Else
1458 ⍝ Failure: Unexpected Error While Writing the File
1459 r←0 GetLastError file_name
1460 :EndTrap
1461 ∇
1462
1463 ∇ r←TFileRead file_name;⎕USING
1464 :Access Public Shared
1465 ⍝ Reads The Contents of a Text File Using the Default Windows Code Page.
1466 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1467 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1468 ⍝
1469 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1470 ⍝ r = 1 (text) (File Name), if Successfull
1471 ⍝ r = 0 (Error Description) (File Name), if Failure
1472 ⍝
1473 ⍝ Example: R ← DIO.TFileRead 'C:\MyTextFile.txt'
1474 ⍝ Success: R ← 1 (text) 'C:\MyTextFile.txt'
1475 ⍝ Failure: R ← 0 (ERROR) 'C:\MyTextFile.txt'
1476 ⍝
1477 ⍝ Example: R ← DIO.TFileRead '' ⍝ To Select the File to Read Using the Open File Dialog
1478
1479 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1480 :If 0=↑⍴file_name ⍝ Empty ?
1481 ⍝ Call the Open File Dialog
1482 :If 0=↑⍴file_name←DialogOpenFile
1483 ⍝ Failure: No File Name. Exit the program.
1484 r←0 'No File Name' '' ⋄ →0
1485 :Else
1486 ⍝ Do Nothing, 'file_name' is not Empty.
1487 :End
1488 :ElseIf ~∆IsString file_name
1489 ⍝ Failure: 'file_name' Not Characters.
1490 r←0 'File Name Must Be Characters'file_name ⋄ →0
1491 :Else
1492 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1493 :End
1494
1495 ⍝ MAKE THE CALL
1496 :Trap 0
1497 :If 0=↑FileExists file_name
1498 ⍝ Failure: The File Name does not exists or is ill formed.
1499 r←0 'File Name Does Not Exists'file_name
1500 :Else
1501 ⍝ Success: The File Name Exists.
1502 ⍝ STE.Default = Default Encoding Page On Your Computer
1503 ⎕USING←',mscorlib.dll'
1504 r←1(System.IO.File.ReadAllText((⊂,file_name),(System.Text.Encoding.Default)))file_name
1505 :End
1506 :Else
1507 ⍝ Failure: Unexpected Error While Reading the File
1508 r←0 GetLastError file_name
1509 :EndTrap
1510 ∇
1511
1512 ∇ r←text TFileWrite file_name;⎕USING
1513 :Access Public Shared
1514 ⍝ Creates a New File, Writes The Text to The File Using The Default Windows Code Page.
1515 ⍝ If the target file already exists, it is overwritten.
1516 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1517 ⍝ Use UFileWrite when Writing a File to be Exchange Outside Your Country (Code Page May be Different)
1518 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1519 ⍝
1520 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1521 ⍝ text = Vector of Characters
1522 ⍝ r = 1 (text) (File Name), if Successfull
1523 ⍝ r = 0 (ERROR) (File Name), if Failure
1524 ⍝
1525 ⍝ Example: R ← 'ABCDEF' DIO.TFileWrite 'C:\MyTextFile'
1526 ⍝ Success: R ← 1 'ABCDEF' 'C:\MyTextFile'
1527 ⍝ Failure: R ← 0 'Error Description' 'C:\MyTextFile'
1528 ⍝
1529 ⍝ Example: R ← 'ABCDEF' DIO.TFileWrite '' ⍝ Select the File to Write Using the Open File Dialog
1530
1531 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1532 :If 0=↑⍴file_name ⍝ Empty ?
1533 ⍝ Call the Open File Dialog
1534 :If 0=↑⍴file_name←DialogOpenFile
1535 ⍝ Failure: No File Name. Exit the program.
1536 r←0 'No File Name' '' ⋄ →0
1537 :Else
1538 ⍝ Do Nothing, 'file_name' is not Empty.
1539 :End
1540 :ElseIf ~∆IsString file_name
1541 ⍝ Failure: 'file_name' Not Characters.
1542 r←0 'File Name Must Be Characters'file_name ⋄ →0
1543 :Else
1544 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1545 :End
1546
1547 ⍝ VERIFY IF 'text' IS CHARACTERS
1548 :If ~∆IsString text
1549 ⍝ 'text' Must be Characters
1550 r←0 'The Text Must be Characters'file_name ⋄ →0
1551 :End
1552
1553 ⍝ MAKE THE CALL
1554 :Trap 0
1555 ⍝ STE.Default = Default Encoding Page On Your Computer
1556 ⎕USING←',mscorlib.dll'
1557 System.IO.File.WriteAllText((⊂,file_name),(⊂,text),(System.Text.Encoding.Default))
1558 r←1 text file_name
1559 :Else
1560 ⍝ Failure: Unexpected Error While Writing the File
1561 r←0 GetLastError file_name
1562 :EndTrap
1563 ∇
1564
1565 ∇ r←text UFileAppend file_name;⎕USING
1566 :Access Public Shared
1567 ⍝ Appends The Specified Text to a File Using The UTF-8 Encoding.
1568 ⍝ The file is created if it does not already exist.
1569 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1570 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1571 ⍝
1572 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1573 ⍝ text = Vector of Characters
1574 ⍝ r = 1 (text) (File Name), if Successfull
1575 ⍝ r = 0 (ERROR) (File Name), if Failure
1576 ⍝
1577 ⍝ Example: R ← 'ABCDEF' DIO.UFileAppend 'C:\MyTextFile.txt'
1578 ⍝ Success: R ← 1 'ABCDEF' 'C:\MyTextFile.txt'
1579 ⍝ Failure: R ← 0 'Error Description' 'C:\MyTextFile.txt'
1580 ⍝
1581 ⍝ Example: R ← 'ABCDEF' DIO.UFileAppend '' ⍝ Select the File to Write Using the Open File Dialog
1582
1583 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1584 :If 0=↑⍴file_name ⍝ Empty ?
1585 ⍝ Call the Open File Dialog
1586 :If 0=↑⍴file_name←DialogOpenFile
1587 ⍝ Failure: No File Name. Exit the program.
1588 r←0 'No File Name' '' ⋄ →0
1589 :Else
1590 ⍝ Do Nothing, 'file_name' is not Empty.
1591 :End
1592 :ElseIf ~∆IsString file_name
1593 ⍝ Failure: 'file_name' Not Characters.
1594 r←0 'File Name Must Be Characters'file_name ⋄ →0
1595 :Else
1596 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1597 :End
1598
1599 ⍝ VERIFY IF 'text' IS CHARACTERS
1600 :If ~∆IsString text
1601 ⍝ 'text' Must be Characters
1602 r←0 'The Text Must be Characters'file_name ⋄ →0
1603 :End
1604
1605 ⍝ MAKE THE CALL
1606 :Trap 0
1607 ⍝ STE.UTF8 = UTF-8 Encoding
1608 ⎕USING←',mscorlib.dll'
1609 System.IO.File.AppendAllText((⊂,file_name),(⊂,text),(System.Text.Encoding.UTF8))
1610 r←1 text file_name
1611 :Else
1612 ⍝ Failure: Unexpected Error While Writing the File
1613 r←0 GetLastError file_name
1614 :EndTrap
1615 ∇
1616
1617 ∇ r←lines UFileAppendAllLines file_name;⎕USING
1618 :Access Public Shared
1619 ⍝ Appends lines to a file using UTF8 encoding, and then closes the file.
1620 ⍝ If the specified file does not exist, this method creates a file, writes the specified lines to the file, and then closes the file.
1621 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1622 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1623 ⍝
1624 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1625 ⍝ lines = Vector where each element is a line
1626 ⍝ r = 1 (lines) (File Name), if Successfull
1627 ⍝ r = 0 (ERROR) (File Name), if Failure
1628 ⍝
1629 ⍝ Example: R ← ('line 1' 'line 2') DIO.UFileWriteAllLines 'C:\MyTextFile'
1630 ⍝ Success: R ← 1 ('line 1' 'line 2') 'C:\MyTextFile'
1631 ⍝ Failure: R ← 0 'Error Description' 'C:\MyTextFile'
1632 ⍝
1633 ⍝ Example: R ← ('line 1' 'line 2') DIO.UFileWriteAllLines '' ⍝ Select the File to Write Using the Open File Dialog
1634
1635 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1636 :If 0=↑⍴file_name ⍝ Empty ?
1637 ⍝ Call the Open File Dialog
1638 :If 0=↑⍴file_name←DialogOpenFile
1639 ⍝ Failure: No File Name. Exit the program.
1640 r←0 'No File Name' '' ⋄ →0
1641 :Else
1642 ⍝ Do Nothing, 'file_name' is not Empty.
1643 :End
1644 :ElseIf ~∆IsString file_name
1645 ⍝ Failure: 'file_name' Not Characters.
1646 r←0 'File Name Must Be Characters'file_name ⋄ →0
1647 :Else
1648 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1649 :End
1650
1651 ⍝ MAKE THE CALL
1652 :Trap 0
1653 ⍝ Convert the lines to a .Net String[] (String Array)
1654 lines←GetNetStringArray lines
1655
1656 ⍝ STE.UTF8 = UTF-8 Encoding
1657 ⎕USING←',mscorlib.dll'
1658 System.IO.File.AppendAllLines((⊂,file_name),(lines),(System.Text.Encoding.UTF8))
1659 r←1 lines file_name
1660 :Else
1661 ⍝ Failure: Unexpected Error While Writing the File
1662 r←0 GetLastError file_name
1663 :EndTrap
1664 ∇
1665
1666 ∇ r←UFileRead file_name;⎕USING
1667 :Access Public Shared
1668 ⍝ Reads The Contents of a Unicode Text File.
1669 ⍝ This method attempts to automatically detect the encoding of a file based on the
1670 ⍝ presence of byte order marks (BOM). Encoding formats UTF-8 and UTF-32 (both big-endian
1671 ⍝ and little-endian) can be detected.
1672 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1673 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1674 ⍝
1675 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1676 ⍝ r = 1 (text) (File Name), if Successfull
1677 ⍝ r = 0 (ERROR) (File Name), if Failure
1678 ⍝
1679 ⍝ Example: R ← DIO.UFileRead 'C:\MyTextFile.txt'
1680 ⍝ Success: R ← 1 text 'C:\MyTextFile.txt'
1681 ⍝ Failure: R ← 0 'Error Description' 'C:\MyTextFile.txt'
1682 ⍝
1683 ⍝ Example: R ← DIO.UFileRead '' ⍝ To Select the File to Read Using the Open File Dialog
1684
1685 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1686 :If 0=↑⍴file_name ⍝ Empty ?
1687 ⍝ Call the Open File Dialog
1688 :If 0=↑⍴file_name←DialogOpenFile
1689 ⍝ Failure: No File Name. Exit the program.
1690 r←0 'No File Name' '' ⋄ →0
1691 :Else
1692 ⍝ Do Nothing, 'file_name' is not Empty.
1693 :End
1694 :ElseIf ~∆IsString file_name
1695 ⍝ Failure: 'file_name' Not Characters.
1696 r←0 'File Name Must Be Characters'file_name ⋄ →0
1697 :Else
1698 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1699 :End
1700
1701 ⍝ MAKE THE CALL
1702 :Trap 0
1703 :If 0=↑FileExists file_name
1704 ⍝ Failure: The File Name does not exists or is ill formed.
1705 r←0 'File Name Does Not Exists'file_name
1706 :Else
1707 ⍝ Success: The File Name Exists.
1708 ⎕USING←',mscorlib.dll'
1709 r←1(System.IO.File.ReadAllText(⊂,file_name))file_name
1710 :End
1711 :Else
1712 ⍝ Failure: Unexpected Error While Reading the File
1713 r←0 GetLastError file_name
1714 :EndTrap
1715 ∇
1716
1717 ∇ r←UFileReadAllLines file_name;⎕USING
1718 :Access Public Shared
1719 ⍝ Opens a text file, reads all lines of the file, and then closes the file.
1720 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1721 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1722 ⍝
1723 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1724 ⍝ r = 1 (lines) (File Name), if Successfull ⍝ lines is a vector where each element is a line
1725 ⍝ r = 0 (Error Description) (File Name), if Failure
1726 ⍝
1727 ⍝ Example: R ← DIO.TFileReadAllLines 'C:\MyTextFile.txt'
1728 ⍝ Success: R ← 1 (lines) 'C:\MyTextFile.txt'
1729 ⍝ Failure: R ← 0 (ERROR) 'C:\MyTextFile.txt'
1730 ⍝
1731 ⍝ Example: R ← DIO.TFileReadAllLines '' ⍝ To Select the File to Read Using the Open File Dialog
1732
1733 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1734 :If 0=↑⍴file_name ⍝ Empty ?
1735 ⍝ Call the Open File Dialog
1736 :If 0=↑⍴file_name←DialogOpenFile
1737 ⍝ Failure: No File Name. Exit the program.
1738 r←0 'No File Name' '' ⋄ →0
1739 :Else
1740 ⍝ Do Nothing, 'file_name' is not Empty.
1741 :End
1742 :ElseIf ~∆IsString file_name
1743 ⍝ Failure: 'file_name' Not Characters.
1744 r←0 'File Name Must Be Characters'file_name ⋄ →0
1745 :Else
1746 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1747 :End
1748
1749 ⍝ MAKE THE CALL
1750 :Trap 0
1751 :If 0=↑FileExists file_name
1752 ⍝ Failure: The File Name does not exists or is ill formed.
1753 r←0 'File Name Does Not Exists'file_name
1754 :Else
1755 ⍝ Success: The File Name Exists.
1756 ⎕USING←',mscorlib.dll'
1757 r←1(System.IO.File.ReadAllLines(⊂,file_name))file_name
1758 :End
1759 :Else
1760 ⍝ Failure: Unexpected Error While Reading the File
1761 r←0 GetLastError file_name
1762 :EndTrap
1763 ∇
1764
1765 ∇ r←text UFileWrite file_name;⎕USING
1766 :Access Public Shared
1767 ⍝ Creates a New File, Writes The Specified Text to The File Using The UTF8 Encoding.
1768 ⍝ If The Target File Already Exists, it is Overwritten.
1769 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1770 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1771 ⍝
1772 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1773 ⍝ text = Vector of Characters
1774 ⍝ r = 1 (text) (File Name), if Successfull
1775 ⍝ r = 0 (ERROR) (File Name), if Failure
1776 ⍝
1777 ⍝ Example: R ← 'ABCDEF' DIO.UFileWrite 'C:\MyTextFile.txt'
1778 ⍝ Success: R ← 1 'ABCDEF' 'C:\MyTextFile.txt'
1779 ⍝ Failure: R ← 0 'Error Description' 'C:\MyTextFile.txt'
1780 ⍝
1781 ⍝ Example: R ← 'ABCDEF' DIO.UFileWrite '' ⍝ Select the File to Write Using the Open File Dialog
1782
1783 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1784 :If 0=↑⍴file_name ⍝ Empty ?
1785 ⍝ Call the Open File Dialog
1786 :If 0=1↑⍴file_name←DialogOpenFile
1787 ⍝ Failure: No File Name. Exit the program.
1788 r←0 'No File Name' '' ⋄ →0
1789 :Else
1790 ⍝ Do Nothing, 'file_name' is not Empty.
1791 :End
1792 :ElseIf ~∆IsString file_name
1793 ⍝ Failure: File Name Not Characters.
1794 r←0 'File Name Must Be Characters'file_name ⋄ →0
1795 :Else
1796 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1797 :End
1798
1799 ⍝ VERIFY IF 'text' IS CHARACTERS
1800 :If ~∆IsString text
1801 ⍝ 'text' Must be Characters
1802 r←0 'The Text Must be Characters'file_name ⋄ →0
1803 :End
1804
1805 ⍝ MAKE THE CALL
1806 :Trap 0
1807 ⍝ STE.UTF8 = UTF-8 Encoding
1808 ⎕USING←',mscorlib.dll'
1809 System.IO.File.WriteAllText((⊂,file_name),(⊂,text),(System.Text.Encoding.UTF8))
1810 r←1 text file_name
1811 :Else
1812 ⍝ Failure: Unexpected Error While Writing the File
1813 r←0 GetLastError file_name
1814 :EndTrap
1815 ∇
1816
1817 ∇ r←lines UFileWriteAllLines file_name;⎕USING
1818 :Access Public Shared
1819 ⍝ Creates a new file, writes the specified individual lines to the file by using UTF8 encoding, and then closes the file.
1820 ⍝ If the target file already exists, it is overwritten.
1821 ⍝ The file handle is guaranteed to be closed by this method, even if exceptions are raised.
1822 ⍝ If file_name is empty (''), DialogOpenFile is called to retrieve the file_name.
1823 ⍝
1824 ⍝ file_name = Fully Qualified File Name, if Empty Uses DialogOpenFile
1825 ⍝ lines = Vector where each element is a line
1826 ⍝ r = 1 (lines) (File Name), if Successfull
1827 ⍝ r = 0 (ERROR) (File Name), if Failure
1828 ⍝
1829 ⍝ Example: R ← ('line 1' 'line 2') DIO.UFileWriteAllLines 'C:\MyTextFile'
1830 ⍝ Success: R ← 1 ('line 1' 'line 2') 'C:\MyTextFile'
1831 ⍝ Failure: R ← 0 'Error Description' 'C:\MyTextFile'
1832 ⍝
1833 ⍝ Example: R ← ('line 1' 'line 2') DIO.UFileWriteAllLines '' ⍝ Select the File to Write Using the Open File Dialog
1834
1835 ⍝ VERIFY IF 'file_name' IS EMPTY OR CHARACTERS
1836 :If 0=↑⍴file_name ⍝ Empty ?
1837 ⍝ Call the Open File Dialog
1838 :If 0=↑⍴file_name←DialogOpenFile
1839 ⍝ Failure: No File Name. Exit the program.
1840 r←0 'No File Name' '' ⋄ →0
1841 :Else
1842 ⍝ Do Nothing, 'file_name' is not Empty.
1843 :End
1844 :ElseIf ~∆IsString file_name
1845 ⍝ Failure: 'file_name' Not Characters.
1846 r←0 'File Name Must Be Characters'file_name ⋄ →0
1847 :Else
1848 ⍝ Do Nothing 'file_name' is a Character Vector and Not Empty.
1849 :End
1850
1851 ⍝ MAKE THE CALL
1852 :Trap 0
1853 ⍝ STE.UTF8 = UTF-8 Encoding
1854 ⎕USING←',mscorlib.dll'
1855 System.IO.File.WriteAllLines((⊂,file_name),(⊂,lines),(System.Text.Encoding.UTF8))
1856 r←1 lines file_name
1857 :Else
1858 ⍝ Failure: Unexpected Error While Writing the File
1859 r←0 GetLastError file_name
1860 :EndTrap
1861 ∇
1862
1863 ∇ ZipCompressFile fileName;sfDir;zipArchive;⎕USING
1864 :Access Public
1865 ⍝ Compress a file using Syncfusion Zip namespace.
1866
1867 ⍝ Set ⎕USING for the Syncfusion dll.
1868 sfDir←sfDir←'Syncfusion/4.5/' ⍝ Location of the Syncfusion dll's
1869 ⎕USING←'Syncfusion.Compression.Zip,',sfDir,'Syncfusion.Compression.Base.dll'
1870
1871 ⍝ Get a ZipArchive
1872 zipArchive←⎕NEW ZipArchive
1873 zipArchive.DefaultCompressionLevel←zipArchive.DefaultCompressionLevel.Best
1874
1875 ⍝ Add the file to the ZipArchive
1876 {}zipArchive.AddFile(⊂,fileName)
1877
1878 ⍝ Change the fileName extension to zip
1879 fileName←((fileName⍳'.')↑fileName),'zip'
1880
1881 ⍝ Save the zipped file
1882 zipArchive.Save(⊂,fileName)
1883
1884 ⍝ Clean-up
1885 zipArchive.Close ⋄ zipArchive.Dispose ⋄ zipArchive←⎕NULL
1886 ∇
1887
1888 :EndNamespace
Attached Files
To refer to attachments on a page, use attachment:filename, as shown below in the list of files. Do NOT use the URL of the [get] link, since this is subject to change and can break easily.You are not allowed to attach a file to this page.