| 1 | ;------------------------------------------------------------ |
|---|
| 2 | ;------------------------------------------------------------ |
|---|
| 3 | ;------------------------------------------------------------ |
|---|
| 4 | ;+ |
|---|
| 5 | ; NAME:isadirectory |
|---|
| 6 | ; |
|---|
| 7 | ; PURPOSE:check if a directory exists and make sure that it ends |
|---|
| 8 | ; with the directory separator mark. |
|---|
| 9 | ; |
|---|
| 10 | ; CATEGORY: io |
|---|
| 11 | ; |
|---|
| 12 | ; CALLING SEQUENCE: directory=isadirectory([dirname]) |
|---|
| 13 | ; |
|---|
| 14 | ; INPUTS:optional:a proposed directory. If neither dirname |
|---|
| 15 | ; input parameter of IODIRECTORY keyword are defined, |
|---|
| 16 | ; the ask the user to choose a directory. |
|---|
| 17 | ; |
|---|
| 18 | ; KEYWORD PARAMETERS: |
|---|
| 19 | ; |
|---|
| 20 | ; IODIRECTORY:a proposed directory |
|---|
| 21 | ; |
|---|
| 22 | ; TITLE = the title of the window |
|---|
| 23 | ; |
|---|
| 24 | ; all dialog_pickfile keywords (like filter) |
|---|
| 25 | ; |
|---|
| 26 | ; OUTPUTS: the directory name |
|---|
| 27 | ; |
|---|
| 28 | ; COMMON BLOCKS:none |
|---|
| 29 | ; |
|---|
| 30 | ; SIDE EFFECTS: |
|---|
| 31 | ; |
|---|
| 32 | ; RESTRICTIONS: |
|---|
| 33 | ; |
|---|
| 34 | ; EXAMPLE: |
|---|
| 35 | ; |
|---|
| 36 | ; IDL> print, !dir |
|---|
| 37 | ; /usr/local/rsi/idl_6.0 |
|---|
| 38 | ; IDL> print, isadirectory(!dir) |
|---|
| 39 | ; /usr/local/rsi/idl_6.0/ |
|---|
| 40 | ; IDL> print, isadirectory(!dir+'notgood') |
|---|
| 41 | ; |
|---|
| 42 | ; MODIFICATION HISTORY:Sebastien Masson (smasson@lodyc.jussieu.fr) |
|---|
| 43 | ; June 28, 2000 |
|---|
| 44 | ; June 2005: Sebastien Masson: cleaning, use for file_* functions |
|---|
| 45 | ;- |
|---|
| 46 | ;------------------------------------------------------------ |
|---|
| 47 | ;------------------------------------------------------------ |
|---|
| 48 | ;------------------------------------------------------------ |
|---|
| 49 | FUNCTION isadirectory, directoryin, TITLE = title, IODIRECTORY = iodirectory, _extra = ex |
|---|
| 50 | ; |
|---|
| 51 | CASE 1 OF |
|---|
| 52 | (size(directoryin, /type))[0] EQ 7:directory = directoryin |
|---|
| 53 | keyword_set(iodirectory):directory = iodirectory |
|---|
| 54 | ELSE:directory = 'directory that is not existing' |
|---|
| 55 | ENDCASE |
|---|
| 56 | testfile = file_test(directory, /directory) |
|---|
| 57 | ; if directory doesn't exist, we ask the user to provide a directory name |
|---|
| 58 | IF total(testfile) NE n_elements(directory) THEN BEGIN |
|---|
| 59 | IF NOT keyword_set(title) THEN title = 'choose a directory' |
|---|
| 60 | FOR i = 0, n_elements(directory)-1 DO BEGIN |
|---|
| 61 | IF testfile[i] EQ 0 THEN BEGIN |
|---|
| 62 | directory[i] = dialog_pickfile(/directory, title = title $ |
|---|
| 63 | , /must_exist, _extra = ex) |
|---|
| 64 | if directory[i] EQ '' THEN RETURN, report('check/find directory canceled') |
|---|
| 65 | ENDIF |
|---|
| 66 | ENDFOR |
|---|
| 67 | ENDIF |
|---|
| 68 | ; |
|---|
| 69 | directory = file_search(directory, /mark_directory) |
|---|
| 70 | IF n_elements(directory) EQ 1 THEN RETURN, directory[0] $ |
|---|
| 71 | ELSE RETURN, directory |
|---|
| 72 | ; |
|---|
| 73 | END |
|---|
| 74 | |
|---|
| 75 | |
|---|
| 76 | |
|---|
| 77 | |
|---|
