Xmessage utility 2005-12-02 - By Garrick Staples
Back
On Fri, Dec 02, 2005 at 03:01:48PM -0400, Shaw, Marco alleged:
> > >I thought I read the man page correctly, and something like
> > >this would work, but it doesn't:
> > >
> > ># xmessage -print -buttons "Dave's laptop:IP1" test
> > >
> > >
> > The man page says that what follow the : is used as an exit
> > value, so,
> > for example
> >
> > xmessage -print -buttons "Dave's laptop:101,Jim's laptop:102" test
> > >/dev/null
> > case $? in
> > 100) echo Hello Dave ;;
> > 101) echo Hello Jim;;
> > *) echo Who Are You?
> > esac
>
> Thanks, that works great... My next problem is that the values
> would actually be more like:
>
> xmessage -print -buttons "Dave's laptop:22.22.22.22" test
>
> The exit value will actually be an IP address. When I run the above
> the exit value will always show as "22", and not "22.22.22.22".
>
> I may have to rely on some kind of mapping table unless you guys
> have any other ideas?
Yes, that's why I started with "You want the exit values" :)
Remember that the exit value of a program is always an integer, not a
string.
Here's an example for your script.
#!/bin/bash
labels[0]="Dave's laptop"
labels[1]="Garrick's laptop"
labels[2]="That weird guy's laptop"
labels[3]="Boss's Etch-A-Sketch"
IPs[0]="10.10.10.1"
IPs[1]="10.10.10.2"
IPs[2]="10.10.10.3"
IPs[3]="127.0.0.1"
buttonstr=$(IFS=,; echo "${labels[*]}")
xmessage -buttons "$buttonstr,Cancel" "where am ?"
choice=$(($?-101))
if [ $choice -lt 0 -o $choice -ge ${#IPs[*]} ];then
echo "Cancelled!"
exit 1
fi
echo ${IPs[$choice]}
--
Garrick Staples, Linux/HPCC Administrator
University of Southern California
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