Haskell: findExecutables: Get all the paths of executable file

System.Directory module provides findExecutables function which takes file name as argument and return a list of all occurrences that are executable. It returns an empty list, if it don’t find any executable. Following is the signature of findExecutables function.

Prelude System.Directory> :t findExecutables 
findExecutables :: String -> IO [FilePath]
Prelude System.Directory> findExecutables "java"
["/usr/bin/java","/bin/java"]
Prelude System.Directory> findExecutables "javac"
["/usr/bin/javac"]
Prelude System.Directory> findExecutables "cabal"
["/usr/local/bin/cabal"]
Prelude System.Directory> findExecutables "Krishna"
[]

Note

On Windows this function returns only the first occurrence of the executable.

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