Safe Haskell | None |
---|---|
Language | Haskell2010 |
This module contains neat utilities to be able to work with shell commands in generic and simple way using just string literals.
>>>
"echo" ["Hello", "World!"]
⚙ echo Hello 'World!' Hello World!
Documentation
($|) :: FilePath -> [Text] -> IO Text infix 5 Source #
Run shell command with given options and return stripped stdout of the executed command.
>>>
"echo" $| ["Foo", "Bar"]
"Foo Bar"
($^) :: FilePath -> [Text] -> IO () infix 5 Source #
This operator runs shell command with given options but doesn't print the command itself.
>>>
"echo" $^ ["Foo", "Bar"]
Foo Bar
($?) :: IO a -> IO a -> IO a infixl 4 Source #
Do some IO actions when process failed with IOError
.
>>>
"exit" ["0"] $? putStrLn "Command failed"
⚙ exit 0
>>>
"exit" ["1"] $? putStrLn "Command failed"
⚙ exit 1 Command failed