### Archive

Archive for November, 2011

## How to find multiple patterns with GNU findutils

Actually, searching for multiple patterns should be a trivial task. Find provides a -o operator (and many others) that lets you combine multiple expressions.

A simple Example: You want to find all files in the current directory whose filename extension are either .c or .h

\$ find . $$-name "*.c" -o -name "*.h"$$ -print


This is not limited to the -name test but can be combined with any other test (like -perm, -size, -type, etc.)

But Careful! You need to quote patterns that contain metacharacters (such as * in the example above). Singe quotes work as well as double quotes. The braces surrounding the expression have to be escaped, too. And watch those spaces right before and after the braces, they’re essential.