This script comes with no guarantees of functionality or security. Use at your own risk. Before using this script, please read http://en.wikipedia.org/wiki/Short_Message_Service#Vulnerabilities You have been warned.
This simple perl script allows you to run command line from your phone (through SMS) using the Google Voice (unofficial) API.
After starting shell.pl in the background, simply send a text to your Google Voice number in the following format: $
Please note that this shell cannot support any commands that require interacting with the program once started. This includes any text editors, for example.