RosettaCodeData/Task/Walk-a-directory-Recursively/BBC-BASIC/walk-a-directory-recursively.basic
2023-07-01 13:44:08 -04:00

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directory$ = "C:\Windows\"
pattern$ = "*.chm"
PROClisttree(directory$, pattern$)
END
DEF PROClisttree(dir$, filter$)
LOCAL dir%, sh%, res%
DIM dir% LOCAL 317
IF RIGHT$(dir$) <> "\" IF RIGHT$(dir$) <> "/" dir$ += "\"
SYS "FindFirstFile", dir$ + filter$, dir% TO sh%
IF sh% <> -1 THEN
REPEAT
IF (!dir% AND 16) = 0 PRINT dir$ + $$(dir%+44)
SYS "FindNextFile", sh%, dir% TO res%
UNTIL res% = 0
SYS "FindClose", sh%
ENDIF
SYS "FindFirstFile", dir$ + "*", dir% TO sh%
IF sh% <> -1 THEN
REPEAT
IF (!dir% AND 16) IF dir%?44 <> &2E THEN
PROClisttree(dir$ + $$(dir%+44) + "\", filter$)
ENDIF
SYS "FindNextFile", sh%, dir% TO res%
UNTIL res% = 0
SYS "FindClose", sh%
ENDIF
ENDPROC