From: Jason Williams <jason@...>
Date: 2003-08-27T00:27:44+09:00
Subject: Re: Ruby launching system apps?

In article <3F4A7612.3050103@ps.ge.com>, Bermejo, Rodrigo wrote:
> time ruby -p -e 'gsub("sed","ruby")'  file_with_1000000_sed_lines
>  7.61s user 2.02s system 35% cpu 27.161 total
> 
> time sed s/sed/ruby/g   file_with_1000000_sed_lines
>  2.05s user 1.71s system 32% cpu 11.571 total

Wrong comparison, given the subject of the thread. Invoking sed
from within ruby is much slower than pure ruby, by my
experiments.