On Fri, 19 Jun 1998, Jay Barbee wrote:
> I was wondering how I would use AFIO to replace they way I use tar.
> Here is a sample:
>
> tar c -X /root/backup/exclude -f /mnt/scratch/linux/backup.tar /
>
> What I do not know how to do is exclude several file which are listed
> in the file "exclude" which looks like:
>
> ---
> /cdrom
> /home/public/old-system-backup/*
> cache*
> core
> ---
>
> The TAR command works, but I cannot figure out how to use AFIO in the same
> manner.
here's a simple shell script i wrote before i found the afbackup program.
note: i've updated it slightly to use the 'tempfile' command. i believe
that this command is only available in hamm. modify as required if you're
not using hamm
play with this, it will do what you want....however, i strongly
recommend that you investigate the afbackup package. it can do full and
incremental backups - it's a complete backup system, whereas this script
is just a quick-and-dirty hack to get the job done.
---cut here--- /usr/local/bin/afio.backup --- cut here---
#! /bin/sh
# by Craig Sanders. This script is hereby placed in the public domain.
# do whatever you want with it, i don't care :)
TAPE=/dev/st0
LIST=$(tempfile)
if [ "$1" = "--erase" ] ; then
mt -f $TAPE erase
fi
# list of directories to exclude from the backup
EXPATHS="/proc /dev /cdrom /dos /mnt \
/tmp /usr/tmp /var/tmp \
/var/spool/news /var/spool/squid \
/usr/src/linux"
# Convert into the form of a regex that find can use.
EXCLUDE=$( echo $EXPATHS | \
sed -e 's,^,\\\(^,' -e 's, ,$\\\)\\\|\\\(^,g' -e 's,$,$\\\),' )
# now construct the list of files to backup...
find / -regex "$EXCLUDE" -prune -o -print | sort > $LIST
# and finally, do the backup!
cat $LIST | afio -o -c 512 -s 149m -v -z -L /tmp/afio.log -Z -G 9 $TAPE
# now clean up
rm -f $LIST
mt -f $TAPE offline
---cut here--- /usr/local/bin/afio.backup --- cut here---
craig
--
craig sanders
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