From: Bertram Scharpf <lists@...>
Date: 2007-07-06T17:02:16+09:00
Subject: Re: Pattern Matching Problem

Hi,

Am Freitag, 06. Jul 2007, 12:27:40 +0900 schrieb Morton Goldberg:
> On Jul 5, 2007, at 8:50 PM, Ari Brown wrote:
> 
> >  when line =~ /^(.+)$/
> >    write_file.puts('"#{$1}"')
> 
> Others have pointed out a problem with your case statement, but I  
> think there's another problem here -- your #{$1} substitution isn't  
> going to work in single-quoted string.

Further, the grouping is superfluous.

   when /^.+$/ then
     do_sth_with $&

will do.

As `line' will alwas contain a single newline character at
the strings end and as /./ will never match that, even

   when /.+/ then

will do.

Bertram



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