The '''DIR$''' function below is '''NOT A QB64 FUNCTION!''' This page supplies equivalent QB code: {{PageSyntax}} ::: filename$ = '''DIR$('''{filespec$|""}''')''' The DIR$ function used in PDS(7.1) returns a filename or a list when more than one exist. The file spec can use a path and/or wildcards. {{CodeStart}} '' '' {{Cl|FOR...NEXT|FOR}} i = 1 {{Cl|TO}} 2 {{Cl|PRINT}} {{Cl|LINE INPUT}} "Enter a file spec: ", spec$ file$ = DIR$(spec$) 'use a file spec ONCE to find the last file name listed {{Cl|PRINT}} DIRCount%, file$, 'function can return the file count using {{Cl|SHARED}} variable {{Cl|IF...THEN|IF}} DIRCount% > 1 {{Cl|THEN}} DO K$ = {{Cl|INPUT$}}(1) file$ = DIR$("") ''''use an empty string parameter to return a list of files!''' {{Cl|PRINT}} file$, {{Cl|LOOP}} {{Cl|UNTIL}} {{Cl|LEN}}(file$) = 0 'file list ends with an empty string {{Cl|END IF}} {{Cl|NEXT}} {{Cl|END}} {{Cl|FUNCTION}} DIR$ (spec$) {{Cl|CONST}} TmpFile$ = "DIR$INF0.INF", ListMAX% = 500 'change maximum to suit your needs {{Cl|SHARED}} DIRCount% 'returns file count if desired {{Cl|STATIC}} Ready%, Index%, DirList$() {{Cl|IF...THEN|IF}} {{Cl|NOT}} Ready% {{Cl|THEN}} {{Cl|REDIM}} DirList$(ListMAX%): Ready% = -1 '{{Cl|DIM}} array first use {{Cl|IF...THEN|IF}} spec$ > "" {{Cl|THEN}} 'get file names when a spec is given {{Cl|SHELL}} {{Cl|_HIDE}} "DIR " + spec$ + " /b > " + TmpFile$ Index% = 0: DirList$(Index%) = "": ff% = {{Cl|FREEFILE}} {{Cl|OPEN}} TmpFile$ {{Cl|FOR...NEXT|FOR}} {{Cl|APPEND}} {{Cl|AS}} #ff% size& = {{Cl|LOF}}(ff%) {{Cl|CLOSE}} #ff% {{Cl|IF...THEN|IF}} size& = 0 {{Cl|THEN}} {{Cl|KILL}} TmpFile$: {{Cl|EXIT FUNCTION}} {{Cl|OPEN}} TmpFile$ {{Cl|FOR (file statement)|FOR}} {{Cl|INPUT (file mode)|INPUT}} {{Cl|AS}} #ff% {{Cl|DO...LOOP|DO}} {{Cl|WHILE}} {{Cl|NOT}} {{Cl|EOF}}(ff%) {{Cl|AND (boolean)|AND}} Index% < ListMAX% Index% = Index% + 1 {{Cl|LINE INPUT (file statement)|LINE INPUT}} #ff%, DirList$(Index%) {{Cl|LOOP}} DIRCount% = Index% '{{Cl|SHARED}} variable can return the file count {{Cl|CLOSE}} #ff% {{Cl|KILL}} TmpFile$ {{Cl|ELSE}} {{Cl|IF...THEN|IF}} Index% > 0 {{Cl|THEN}} Index% = Index% - 1 'no spec sends next file name {{Cl|END IF}} DIR$ = DirList$(Index%) {{Cl|END FUNCTION}} '' '' {{CodeEnd}} {{small|Code by Ted Weissgerber}} :''Explanation:'' The function will verify that a file exists (even if it is empty) by returning it's name or it returns an empty string if no file exists. It can return a list of file names by using an empty string parameter("") after sending a wildcard spec to get the first file name. The number of file names found is returned by using the SHARED variable, '''DIRCount%'''. Unlike the PDS DIR$ function, '''it MUST use an empty string parameter until QB64 supports optional parameters!''' The function does NOT delete empty files. ''See also:'' * [[FILES]] * [[KILL]] * [[SHELL]] {{PageNavigation}}