From: brabuhr@...
Date: 2009-08-05T00:06:32+09:00
Subject: Re: method that runs an executable file

On Tue, Aug 4, 2009 at 10:25 AM, Michael Wright<mdwright_76@yahoo.co.uk> wrote:
> hello,
>
> i am quite new to programming, only began in february this year and am
> doing a project for my uni course.
>
> me and my group are using ruby on rails and were wondering if it is
> possible to create a method that when run, gets a rakefile to execute a
> database migrate?
>
> would greatly appreciate any help here

There are several general ways in Ruby to launch an external command:
    http://pasadenarb.com/2007/03/ruby-shell-commands.html

Though, be aware, particularly for web apps, of potential security
issues that can be introduced:
    http://www.owasp.org/index.php/Command_Injection
    http://en.wikipedia.org/wiki/Code_injection#Shell_injection