access variables in canned command sequences

[Michael Snyder]

On Fri, 2007-04-06 at 11:26 -0700, vb wrote:
> Hello all,
> 
> I need to be able pass a convenience variable defined in gdb command
> file to a shell script from inside a canned sequence, something like
> this:
> 
> set $offs=0x1ff80000
> define xyz
>         shell echo offset is  $offs
> end
> 
> what happens when I run it - the parameter does not get passed to the
> shell at all:
> 
> (gdb) xyz
> offset is
> (gdb)
> 
> 
> What gives?!

I imagine that the command "echo offset is $offs" is passed directly
to the shell.  The shell doesn't have a variable $offs, so nothing 
gets printed.

I'm not sure how to work around this.