access variables in canned command sequences

[Daniel Jacobowitz]

On Fri, Apr 06, 2007 at 11:51:59AM -0700, Michael Snyder wrote:
> 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.

That's right.  This would work:
define xyz
       printf "offset is %d", $offs
end

The CLI does not have a lot of ways to manipulate strings.

-- 
Daniel Jacobowitz
CodeSourcery