> Better: > > find . -name '*.c' -o -name '*.h' -exec egrep '//' {} /dev/null \; | \ > grep -v '://' > > (to get rid of false matches on URLs) Why not: grep "//" `find . -name "*.[ch]"` | grep -v 'p://' (the -o option doesn't seem to work as advertised in the man page) Don't forget that ":" is used between the filename and matching line, and if your line begins with //, grep -v '://' chucks that valid match. --Moses