# Backtick commands and stderr

**URL:** https://rubytalk.org/t/backtick-commands-and-stderr/32387
**Category:** ruby-talk
**Created:** [26 October 2006 23:34 UTC](https://rubytalk.org/t/backtick-commands-and-stderr/32387 "2006-10-26T23:34:39Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Gavin\_Kistner](https://avatars.discourse-cdn.com/v4/letter/g/ed655f/32.png) [@Gavin\_Kistner](https://rubytalk.org/u/Gavin_Kistner)
#### Post date: [26 October 2006 23:34 UTC](https://rubytalk.org/t/backtick-commands-and-stderr/32387/1 "2006-10-26T23:34:39Z")

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> \> I believe you want to look at open3 or open4
> 
> Can you please add some more details?

open3 - [http://www.ruby-doc.org/stdlib/libdoc/open3/rdoc/index.html](http://www.ruby-doc.org/stdlib/libdoc/open3/rdoc/index.html)  
open4 - [http://codeforpeople.com/lib/ruby/open4/](http://codeforpeople.com/lib/ruby/open4/)

(Both are the first hits on Google for "ruby open3" and "ruby open4" 😉

> **···**
>
> From: Alexandru Popescu [mailto:the.mindstorm.mailinglist@gmail.com]
> 
> > On 10/27/06, Gavin Kistner \<gavin.kistner@anark.com\> wrote: