>Are there any tools that will do a search and replace of all files of a certain type in a directory?
>
>If I wanted to change all .prg files and replace the stinge "HI GUY" with the string "BY GUY"
>
>Obviously I can easily do that one file at a time, but I want to do several hundred files at a time and possible a thousand occurances of that string.

Try Code References tool from Tools menu