From: Martin DeMello <martindemello@...>
Date: 2004-07-30T18:01:47+09:00
Subject: Re: subject="apply multiple regex to each line"

Ralf M�ller <r_mueller@imp-ag.de> wrote:
> And, does anyone know a smart expression to delete lines, which only
> contain any kinds of spaces?
> 
> Till now i use:
> ruby -e 'puts readlines.to_s.gsub(/\n{2,}/,"\n").split(/\n/)' eddi-bef.dump > 1table

ruby -ne 'print unless /^\s*$/' file

or 

ruby -pe 'next if /^\s*$/' file

martin