On Mon, Aug 01, 2011 at 11:19:16PM +0100, Richard Morgan wrote:
> Here follows a quick and dirty - no error checking and not very pretty -
> method of keeping a few backups from raqbackup.sh on the local server:
> [snip...]
I am doing things similar, but also have a file called end.sh in the same
location with:
#!/bin/sh
TODAY=/home/raqbackup/data
YESTERDAY=/home/raqbackup/data-1
for myfile in $YESTERDAY/*
do
cmp $TODAY/${myfile##*/} $YESTERDAY/${myfile##*/} &> /dev/null
if [ $? -eq 0 ] # Test exit status of "cmp" command.
then
ln -f $TODAY/${myfile##*/} $YESTERDAY/${myfile##*/}
fi
done
What this does is, if a file of the backup hasn't changed since the
previous day, it makes it a link, thereby preserving space.
Quick and dirty. Hope it's useful.
--
Maurice de Laat
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