[wplug] escaping double quotes in enivronment variables
David Ostroske
eksortso at gmail.com
Sun Nov 28 21:39:14 EST 2004
One way to fix this is to use eval after the variables are assigned:
eval "${RSYNC_BIN} ${RSYNC_OPTS} ${USER}@${HOST}:~/test.txt ."
It's dang ugly. And it's a potential risk if those vars get changed.
But it works. Make sure not to get in the habit of doing this.
--
David Ostroske <eksortso at gmail.com>
On Fri, 26 Nov 2004 22:03:50 -0500, John Harrold <jmh17 at pitt.edu> wrote:
>
> I'm trying to set up a shell script which requires me to have double quotes
> as part of an environment vairable. This is an example of what I'm trying
> to do:
>
> <script>
> #! /bin/sh
> export USER=user
> export HOST=host.com
> export RSYNC_OPTS='-av -e "ssh -2"'
> export RSYNC_BIN=/usr/bin/rsync
> ${RSYNC_BIN} ${RSYNC_OPTS} ${USER}@${HOST}:~/test.txt .
> </script>
>
> Now when I run the script I get the following error:
>
> rsync: -2": unknown option
> rsync error: syntax or usage error (code 1) at main.c(1002)
>
> But SYNC_OPTS is exported as:
>
> RSYNC_OPTS="-av -e \"ssh -2\""
>
> Now I can run the command like:
>
> rsync -av -e "ssh -2" user at host.com:~/test.txt .
>
> and it works fine. So can someone tell me the correct manner to get the
> double quotes escaped?
>
> --
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