ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.
One of a set of tools we're offering as a way to say thank you for being a part of the community.
MSDN is going to be your first stop.
http://msdn.microsoft.com/en-us/library/ee706559%28VS.85%29.aspx
Chris