jabalv
1
Hello. I`m writing a bash script who archive log files and send them to backup server. I need some kind of checking mechanism for *.tar.gz files.
I found something like: gunzip -t file.tar.gz //Not output from it.
And for tar: tar tf file.tar.gz //Only lists archive
1.) I need make a corrupted *.tar.gz file to check if thees commands and make statement if something goes wrong.
2.) How to correctly check *.tar.gz files?
Scott
2
- Why?
2
$ gunzip -c file.tar.gt | tar tf - && echo File is OK || echo File is NOT OK
(or perhaps slightly more practical...)
if (gunzip -c file.tar.gz | tar tf -) 2>/dev/null >&2; then
echo File OK
else
echo File NOT OK
fi
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jabalv
3
Because I wanna see output from corrupted gunzip file
OK, thanks for your examples.
This forum is great, again thanks for answer.
Scott
4
Ah, OK.
There could be many possible causes of a "corrupt" gzip file, which might each give different errors.
Have a look at the output of:
strings $(which gzip)
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