| definition: |
isExecutable :: String -> IO Bool
isExecutable fname = do
fexists <- doesFileExist fname
if fexists
then do ec <- system $ "test -x " ++ fname
return (ec==0)
else return False
|
| demand: |
no demanded arguments |
| deterministic: |
deterministic operation |
| documentation: |
-- Is the argument the name of an executable file? |
| failfree: |
_ |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{(_) |-> _}
|
| name: |
isExecutable |
| 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: |
reducible on all ground data terms |