Problem running zip from cron - bad zipfile offset
I've created a pretty straightforward shell script to do backups via rsync. Every night it rsyncs a copy of a website (approx 60GB) to the local machine. Once a week, after the rsync step, it zips the local copy of the whole site into 2GB chunks and places them in another folder.
When running 'unzip filename.zip' I get a long string of errors similar to this:
Approx 60% of the archived series of 2GB chunks unzips without any problem, but the rest shows those errors above. Those errors "seem" to be happening on files that were already .zip files on the webserver, and which were originally created with a mix of windows WinRAR and command line windows 'zip'. (I don't see how the original method of creation would impact them being zipped into a larger archive, but I'm mentioning it to be thorough).
ALSO: If I ftp the entire linux-created series of 2GB chunks to a Windows machine and open them in WinRAR, they all extract without any problem.
Here's the crontab I'm using:
And here are the 2 scripts referenced in that same cron with a lot of additional commands removed for clarity:
backup.rsync.sh
backup.full.sh
Something in that final zip command seems to be the cause but I can't figure it out. The fact that I can take those resulting files into windows and extract them with winRAR is even more confusing, since linux 'unzip' throws thousands of errors... Can anyone suggest what's wrong with my batch script?
PS: The 'zip' version is 3.0-6 and 'unzip' is 6.0-8+deb7u2. The local machine is Crunchbang 11.
In a directory I have several zipfiles, every zip files has some csv files within.
I need to find out which zipfiles have the particular csv files.
I know we can use a zipgrep on linux. Does AIX have a similar command.
Any help appreciated.
Thanks & Regards,
Ram (1 Reply)
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