Search with grep

#unix #bash #grep #search #regex

Use grep to find strings in files. You can use regular expressions.

Find a literal string inside a directory

grep -rin "<string>" <directory>

-r is for recursive search.
-i means case insensitive.
-n outputs line numbers.

Note that you need to escape special characters inside your search string: \..

More information

ubuntuusers Wiki (German)
Wikipedia

Tools

Searchmonkey is a GUI alternative and available as a Debian package.