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AH = 56h DS:DX -> ASCIZ filename of existing file (no wildcards, but see below) ES:DI -> ASCIZ new filename (no wildcards) CL = attribute mask (server call only, see below)
Return:
CF clear if successful CF set on error AX = error code (02h,03h,05h,11h) (see #01680)
Notes: Allows move between directories on same logical volume. This function does not set the archive attribute (see #01420 at AX=4301h), which results in incremental backups not backing up the file under its new name. Open files should not be renamed. (DOS 2.x only) this function renames file by creating a new directory entry with the new name, then marking the old entry deleted. (DOS 3.0+) allows renaming of directories. (DOS 3.1+) wildcards are allowed if invoked via AX=5D00h, in which case error 12h (no more files) is returned on success, and both source and destination specs must be canonical (as returned by AH=60h). Wildcards in the destination are replaced by the corresponding char of each source file being renamed. Under DOS 3.x, the call will fail if the destination wildcard is *.* or equivalent; under DR DOS 5.0, the call will fail with error code 03h if any wildcards are used. When invoked via AX=5D00h, only those files matching the attribute mask in CL are renamed.. Under the FlashTek X-32 DOS extender, the old-name pointer is in DS:EDX and the new-name pointer is in ES:EDI (DS must equal ES)
BUG: (DR DOS 3.41) when invoked via AX=5D00h, this function will generate a new directory entry with the new name (including any wildcards) which can only be removed with a sector editor
See Also:
AH=17h - AX=4301h - AX=43FFh/BP=5053h - AX=5D00
See Also:
AX=F257h/SF=04h
Category:
DOS Kernel
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Int 21h
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