[sf-perl] perl on a mac ...

[Jeff Bragg]

A friend of mine is working on a Perl REPL of sorts.  The end goal is a full
shell replacement, but it's still definitely a work in progress (I'm sure
he'd appreciate help, if anyone were so inclined).  It's at TTK's code
closet <http://ciar.org/ttk/codecloset/>.  I'm specifically referring to
Calc; version 2 is a more finished product, but version 3 is cleaner code
(he tells me; I haven't actually looked at the source yet).  Anyway, it
might be closer to the kind of REPL other languages have; it's generally
more featureful than other Perl REPL offereings (at least one's he has
explored, including Devel::REPL).  It's not a replacement for the debugger
(no explicit break/continue/next type of functionality, for instance), but
should be a reasonably good REPL.

My $0.005.  YMMV.

On Thu, Nov 20, 2008 at 5:22 PM, Alex Feinberg <alex at strlen.net> wrote:

> I use Perldb myself quite a lot as a REPL. Combined with
> XML::Simple/JSON::Syck and LWP it's a very useful way to debug web
> services (e.g. use XML::Simple; use LWP::Simple; x
> XMLin(get('http://foo.com/status.xml') ; )
>
>
> Thing is perldb is a debugger, rather than a REPL tool. So if it
> were to have REPL like features, it'd mean giving up ability to work
> as a debugger:
>
> It would be useful if perldb allowed me to just paste example of
> code as I trouble-shot it, with regards for lexical scoping and use
> strict.
>
> If I wanted to try out this segment on REPL -
> my $foo = 'hi';
> print $foo;
>
> I'd have to do it as a single line - which makes sense when you're
> dealing with in the content of a debugger.
>
>    Perhaps there is a way to do it - but I am not aware of it. In
> addition support for emacs/vi keybindings (and other simple editing)
> would be somewhat nice.
>
>    I should look into one of the many third-party REPL tools for
> this.
>
>
> On Thursday, 20 November 2008 at 11:31:55 -0800, Joe Brenner wrote:
> > Paul Makepeace <Paul.Makepeace at realprogrammers.com> wrote:
> > > Joe Brenner <doom at kzsu.stanford.edu> wrote:
> > > > Rich Morin <rdm at cfcl.com> wrote:
> >
> > > > > <snark>
> > > > > Isn't it about time somebody created something like irb (the
> > > > > interactive ruby interpreter) for Perl?  Sorry, I forgot; the
> > > > > developers are all busy (re-)designing Perl 6...
> > > > > </snark>
> > > >
> > > > What would an irb get you that the perldb doesn't?
> > >
> > > A less unpleasant interface,
> > >
> > >
> http://london.pm.org/pipermail/london.pm/Week-of-Mon-20081110/015663.html
> >
> > I see, I would say the main advantage from my point of view is that irb
> > let's you do multi-line expressions... do you do that a lot?  I can't
> > say I see what it's for exactly.
> >
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