From: Stefan Lang <langstefan@...>
Date: 2005-10-13T03:42:15+09:00
Subject: Re: Removing blank lines

On Wednesday 12 October 2005 20:32, Esteban Manchado Vel�zquez wrote:
> Hello Basi,
>
> On Thu, Oct 13, 2005 at 03:26:52AM +0900, basi wrote:
> > Hello,
> > How does one delete blank lines from a text file? (I did try a
> > number of things, but, I can't get any to work.)

> zoso@velutha:~/tmp$ ruby -e 'puts File.readlines("test").find_all
> {|line| line !~ /^$/}'

similar:

    ruby -e 'puts File.read("test").gsub(/\n{2,}/, "\n")'

Regards,
  Stefan