From: Caio Chassot <lists@...2studio.com>
Date: 2006-09-20T10:13:06+09:00
Subject: Re: piping input when shelling out


On 2006-09-19, at 22:05 , Paul Lutus wrote:

> output = `echo #{s} | perl -pe "s/a/x/g"`
>
> I want to emphasize there are a dozen ways to do this. This one  
> happens to
> be simple to understand. Another way is File.popen(), but that  
> approach
> makes bidirectional communications difficult.

I thought about doing it with echo but then I'd have to escape the  
string, and what if I was dealing with binary data, and all that...  
so popen looks like a more robust solution.