Date: Wed, 21 Oct 2009 14:55:32 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Jay Hall <jhall@socket.net> Cc: freebsd-questions@freebsd.org Subject: Re: gnu tar checkpoint variable expansion Message-ID: <4ADF12D4.9020003@infracaninophile.co.uk> In-Reply-To: <B0508ECD-C05C-4378-8A8F-F35CB0C2274B@socket.net> References: <B0508ECD-C05C-4378-8A8F-F35CB0C2274B@socket.net>
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Jay Hall wrote:
> Ladies and Gentlemen,
>=20
> I am working with gnu tar checkpoints this morning can cannot seem to=20
> get variables to expand properly when they are passed as part of a=20
> checkpoint action. Following is how I am using gnu tar
>=20
> DIR=3D"/home/test"
> WHATTOBACKUP=3D"/home/somedir"
>=20
> /usr/local/gtar-1.22/bin/tar -cf - ${WHATTOBACKUP} \
> --checkpoint-action=3D'echo=3DCheckpoint #%u'=20
> --checkpoint-action=3D'exec=3D/usr/local/scripts/check_disk_usage.sh ${=
DIR}'
>=20
> When I use ${DIR} as a parameter, it is not sent to the=20
> check_disk_usage_script. However, if I replace ${DIR} with /home/test,=
=20
> everything works fine.
>=20
> Any suggestions anyone has would be greatly appreciated.
That's fairly basic shell syntax. Use "double quotes" on any string wher=
e
you want variable interpolation.
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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