The author's pejorative comment is completely unnecessary.
23 Nov 2009
Returns the names of all m-files in a directory or directory tree that contain a search string.
Author: John D'Errico
Awesome! It works as advertised.
It allowed me to search through a deep .m file hierarchy and find a dreadfully annoying error message string in an unknown file (added by a colleague) and to remove it. Yeah!