From: max <max@...>
Date: 2002-12-12T00:18:54+09:00
Subject: Re: calling a perl script

works fine. very cool. thank you. 
prints me 2.


how can ruby read the 2? it is somethinng with the stdin or?

when i do
puts `perl test.pl 1`

it outputs      2
                nil


regards 
max

Robert Klemme wrote:

> 
> "max" <max@solution-x.com> schrieb im Newsbeitrag
> news:newscache$gcdy6h$q77$1@news.sil.at...
> > i would like to call a perl script with ruby.
> > so i write puts �perl test.pl�
> 
> these must backquotes like in:
> 
> puts `perl test.pl`
> 
> when you want to write a new perl script, then do it directly in ruby
> instead.  integrating a big perl script that you don't want to rewrite
> seems to me the only case where call integration like this is appropriate.
> what features are there in perl that you miss in ruby?
> 
> > how can i do it that my ruby programm gives the scrpit 1 and the perl
> > script adds one and gives the result back to my ruby script.
> 
> in perl script (from memory):
> 
> print $ARGV[0] + 1, "\n";
> 
> regards
> 
>     robert
>