That doesn't work for me:
{{{
blaise@bnl: /wg/stor5/blaise $ rosparam set /longitude -- -97.728524
Usage: rosparam set [options] parameter value

rosparam: error: invalid arguments. Please specify a parameter value
}}}

And the fact that only negatives starting with 9 are a problem suggests
that something stranger is going on.

On Tue, 2010-04-13 at 09:25 -0700, Ken Conley wrote:
> The issue is telling optparse that options are over:
> 
> rosparam set /longitude -- -97.728524
> 
> Not the most obvious solution, blame POSIX :)
> 
>  - Ken
> 
> On Tue, Apr 13, 2010 at 8:21 AM, Jack O'Quin <jack.oquin@gmail.com> wrote:
> > Maybe I'm overlooking something obvious here, but this fails:
> >
> > $ rosparam set /longitude -97.728524
> > Usage: rosparam set [options] parameter value
> >
> > rosparam: error: no such option: -9
> >
> > Is there some trick? Quoting does not help.
> >
> > I can rosparam load the value from a YAML file, but I still wonder how
> > to do it from the command line.
> > --
> >  joq
> > _______________________________________________
> > ros-users mailing list
> > ros-users@code.ros.org
> > https://code.ros.org/mailman/listinfo/ros-users
> >
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