TechInfoDepot:DD-WRT/Script Execution

Introduction
Sometimes you want scripts to be executed automatically when something happens, this article explains how to make sure scripts get executed at a certain point.

General Information
There are four different directories DD-WRT searches for scripts, these are
 * /etc/config/ (found to be read only)
 * /jffs/etc/config/
 * /mmc/etc/config/
 * /tmp/etc/config/

Script Types
You need to add an extension to the script if placed in one of the previous folders. Every extension has its own meaning.

Remember to change permissions on any script files using chmod to permit execution. Scripts with .wanup may be run several times when the router boots. ( see http://www.dd-wrt.com/phpBB2/viewtopic.php?p=433984 )

Execute Scripts with a Different Extension or in a Different Folder
If you want to execute scripts with a different extension or those that are located in an other folder you can create this script for I in `/bin/ls /jffs/etc/config/*.myextension`;do sh $I & done Of course you need to change the path (/jffs/etc/config) and the extension itself to match your desire.

How It Works
The command sh /jffs/etc/config/*.myextension will execute every script ending in .myextension found in the /jffs/etc/config directory. By setting this as the rc_startup value, your *.myextension scripts will load every time the router boots.