definition: |
fileInPath :: String -> IO Bool fileInPath file = do path <- getEnv "PATH" dirs <- return $ splitOn ":" path (fmap (any id)) $ mapM (doesFileExist . (</> file)) dirs |
demand: |
no demanded arguments |
deterministic: |
deterministic operation |
documentation: |
Checks whether a file exists in one of the directories on the PATH. |
failfree: |
<FAILING> |
indeterministic: |
referentially transparent operation |
infix: |
no fixity defined |
iotype: |
{(_) |-> _} |
name: |
fileInPath |
precedence: |
no precedence defined |
result-values: |
_ |
signature: |
String -> Prelude.IO Prelude.Bool |
solution-complete: |
operation might suspend on free variables |
terminating: |
possibly non-terminating |
totally-defined: |
possibly non-reducible on same data term |