Re: Kludge for handling REPL arithmetic expressions

[Chet Ramey]

On 8/3/21 9:53 AM, Tapani Tarvainen wrote:
> On Tue, Aug 03, 2021 at 09:26:32AM -0400, Chet Ramey (chet.ramey@case.edu) 
> wrote:
> > On 8/3/21 3:05 AM, Tapani Tarvainen wrote:
> >
> > > Right: command_not_found_handle() is not called when there's a slash
> > > in the command.
> > >
> > > Offhand I can't any reason why it shouldn't, but making that happen
> > > would mean modifying bash source code. A wishlist item, then.
> >
> > It doesn't because there's no point: a slash in the command name means
> > the shell doesn't look for it in $PATH. It's a filesystem path.
>
> Well, yes, except when someone wants to (ab)use
> command_not_found_handle() to catch things that are not parsed as
> command names to handle them in non-standard ways, like the original
> poster tried to do here.

Sure, that's the point. There are reasons that command_not_found_handle
behaves as it does, and if you want to get around them, you're bound to
run into the limitations of your approach.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/