Batch text editing?

Hi

I’m wondering if anyone knows a quick and powerful way of editing text in multiple files at once according to a pattern. Currently, I’m working with several javascript and xml files all referencing each other in order to play an animation. Everytime I add a new animation, it is neccessary to add lines according to a simple pattern at certain points in multiple files. What is the best way of doing this?

Eg.

I’m thinking of typing something like:

edit.bat 3 4

In order to add the lines (note [arg2] is 4 to create 4 instances of F[arg1]T* according to pattern):

<include href="/ArtSpec/A3.lzx"/>

<include href="/Text/F3T0.lzx"/>

<include href="/Text/F3T1.lzx"/>

<include href="/Text/F3T2.lzx"/>

<include href="/Text/F3T3.lzx"/>

In one file and similar operations in other files.

Anyone got any ideas?

Koba