From: Bertram Scharpf <lists@...>
Date: 2009-06-12T20:18:15+09:00
Subject: Re: How to set $_ in a method?

Hi,

Am Freitag, 12. Jun 2009, 16:45:51 +0900 schrieb Heesob Park:
> I like to set caller's $_ variable in a method, but it did't work for me.
> [...]
> I noticed $_ is is local to the current scope.
> Is it impossible to set the caller's $_ variable in a method without
> using binding and eval?

$_ has some special meanings in Kernel.gets, Kernel.sub, Regexp#~
etc. This comes in handy for -ne/-pe option oneliners. You
shouldn't use it outside that (if you don't know what you do).

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de