|
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 |