$ find /path -name 'program.c' 2>/dev/null
This finds all files from the current directory on down with JavaScript and OReilly in the name
$ find . \( -name "*JavaScript*" -a -name "*OReilly*" \) | more
These find all files from the current directory on down with Java and not JavaScript in the name
$ find . \( -name "*Java*" -a ! -name "*JavaScript*" \) $ find . \( -name "*Java*" -a -not -name "*JavaScript*" \)
To recursively search through specific file types for a string, use
$ grep -ircls --include=*.{pl,sh,bsh,csh,py} "some_string" /some/path
Is is much better than grep.
To search recursively through only python scripts for foo -
$ ack --python foo
By default ack skips backup and log files. Very nice.
Search possibly compressed files for a regular expression