From: Nobuyoshi Nakada <nobu@...>
Date: 2008-10-26T23:06:36+09:00
Subject: Re: Join all text files in a folder, with a single line of Ruby code

Hi,

At Sun, 26 Oct 2008 04:08:48 +0900,
Joel VanderWerf wrote in [ruby-talk:318574]:
> > ruby -e"puts ARGF.to_a" *.txt >merged
> 
> Cheating a bit:
> 
> ARGV.replace Dir['*']; print ARGF.read
> 
> Not recommended, though, since it reads all the data into memory and 
> steps on ARGV.

ruby -pe 'BEGIN{ARGV.replace Dir["*"]}'

-- 
Nobu Nakada