cwr@pnet01.cts.com (Will Rose) (03/31/91)
I use ast's backup program to backup my hard disk onto floppies;
I've never yet needed a full restore, but quite often I edit a
source file to death and need to go back to the original version.
While backup can maintain the original date and time in the
backup file, when the file is either copied back or uncompressed the
new file is set to the current time. Often, I'd prefer the restored
version to be the same as the original in all respects.
I've used a variety of kludges to get around this (there's probably
an incredibly subtle and elegant way to do it, but I haven't found
it); finally I added "restore" (-r) code to backup. The option was
there - it just had no code attached.
All restore does is invert the sense of the -z flag; if a file is
compressed, it will be uncompressed. That is, my usual restore
command is "restore -tvz /usr/there /usr/here", which copies and
uncompresses any missing files in "here" from "there". You can
either use backup -r, or link backup to restore.
Note that the -j option takes precedence over -z; so if you restore
with -jz, compressed files will not be restored. The following
cdiff is against version PC 1.5.10.
Good luck - Will
================================================================
table
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end
================================================================
The first cup of coffe recapitulates phylogeny
cwr@pnet01.cts.com
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