gnu tar checkpoint variable expansion

[Trond Endrestøl]

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On Wed, 21 Oct 2009 08:44-0500, Jay Hall wrote:

> [...] Following is how I am using gnu tar
> 
> DIR="/home/test"
> WHATTOBACKUP="/home/somedir"
> 
> /usr/local/gtar-1.22/bin/tar -cf - ${WHATTOBACKUP} \
> 	--checkpoint-action='echo=Checkpoint #%u'
> --checkpoint-action='exec=/usr/local/scripts/check_disk_usage.sh ${DIR}'

Try this:

/usr/local/gtar-1.22/bin/tar -cf - ${WHATTOBACKUP} \
	--checkpoint-action='echo=Checkpoint #%u' \
	--checkpoint-action="exec=/usr/local/scripts/check_disk_usage.sh ${DIR}"

The use of single quotes prohibits the expansion of environment 
variables. Use double qoutes instead.

- -- 
- ----------------------------------------------------------------------
Trond Endrestøl                  | Trond.Endrestol at fagskolen.gjovik.no
ACM, NAS, NUUG, SAGE, USENIX     |    FreeBSD 7.2-STABLE & Alpine 2.00

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