[CS-FSLUG] Question: Working With Compressed Files in Brash
Don Parris
parrisdc at gmail.com
Mon Apr 23 14:14:55 CDT 2012
Hi all,
In my "Brash" shell script, I want to compress the files into an archive to
save space. What I am curious about is the best approach to this. I see
at least 2 options:
<> compress each file or set of files at the time the user tosses them into
the trash (1 compressed archive for each time files are tossed)
<> create an archive on the initial toss action, and append future files to
the one archive
>From a "safety" standpoint, it seems best to create a new archive for each
time the user tosses files into the trash:
<> Don't put all the eggs in one basket - if one archive is somehow lost,
the remaining archives should remain (apart from the user emptying the
trash)
<> Avoids one monolithic archive
Ok, nothing prevents the files being deleted when the user empties the
trash. They *will* be gone, recoverable only by forensics tools. Even so,
I lost a lot of data once when I created a monolithic archive and copied to
a CD-ROM. When I later tried to open it, gzip basically just churned away
- never actually opening my files. I had help from various lists (I think
this one included) and still never recovered my files. I have not
forgotten that.
Anyway, just curious as to whether anyone else sees something I should
think about. I am considering combining tar and bzip. Tar will let one
view a list of files in an archive - something that will be useful when the
user wants to see what is in the trash.
Thoughts?
Don
--
D.C. Parris, FMP, ESL Certificate
Minister, Security/FM Coordinator, Free Software Advocate
https://www.xing.com/profile/Don_Parris |
http://www.linkedin.com/in/dcparris
GPG Key ID: F5E179BE
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