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- Eric Gans
- French Dep't UCLA
- Los Angeles, CA 90024
-
- XRASE.COM (v3.3) - Version 3.3 update: checks for gaps in
- remaining directory entries (a file with extents 1, 2 and 4
- will not be unerased); fixed a couple of bugs reading last
- directory sector, block vector; a few code improvements.
-
- XRASE is an unerase program that, unlike many such programs, (1)
- works on all types of disks (2) will not unerase two versions of
- the same file, and (3) checks for reused allocation blocks and
- will not unerase a file part of which has been reallocated. It
- accepts only unambiguous filenames. Unerased files are restored
- to the current user area. The output of the program tells you
- whether the file has been unerased and if so which "extents."
- This term is used a bit loosely to designate directory entries
- rather than extents in the narrow sense (=128 sectors). This may
- be confusing to "end-users," since many systems will have more
- than one extent per entry: e.g. the Kaypro-10 has two per entry
- on both hard and double-sided floppy disks. (CP/M hackers can
- find this information from the "extent mask" in the disk
- parameter block.) So tell your friends not to worry if they find
- they have unerased "only" extents 1 and 3 of a file. Versions
- 3.2+ are reentrant; as with ABUSER, to exit, type a CR at the >>
- prompt.
-
- Format: xrase [d:]fn.ft (no wildcards)