# which [![travis-ci](https://api.travis-ci.org/obsidiansystems/which.svg?branch=develop)](https://travis-ci.org/obsidiansystems/which) `which` is a Haskell library that provides functionality similar to its [\*nix namesake](https://en.wikipedia.org/wiki/Which_(command)) on the command line. You can use this library to determine the full path of a command that will be executed by your Haskell program.