Extract

is a suite of four utilities to scan a set of files looking for a set of strings:
extract - displays all lines in all files with a match on one or more strings, case sensitive.
extracti - displays all lines in all files with a match on one or more strings, case insensitive.
without - displays all lines in all files with no match on any of the strings, case sensitive. withouti - displays all lines in all files with no match on any of the strings, case insensitive. for Windows2K, XP, Vista