[Haskell-beginners] Capture stdout from a command on Windows

[Maciej Podgurski]

Hi,

you might use runInteractiveProcess which returns the process handle and 
three handles hIn, hOut and hErr for communication with the process.

Besh wishes,
Maciej


David Frey wrote:
> Hi,
>
> I'm trying to capture the output (stdout) of a command on Windows.
>
> This is what I have so far:
>
> import System.Process (runProcess, waitForProcess)
> import System.IO (hGetContents)
>
> executeCapturingStdout :: String -> String -> IO [String]
> executeCapturingStdout cmd workingDir = do
>     let stdoutHandle = -- TODO: What do I put here?
>     processHandle <- runProcess cmd [] (Just workingDir) Nothing Nothing
> stdoutHandle Nothing
>     exitCode <- waitForProcess processHandle
>     content <- hGetContents stdoutHandle
>     return lines content
>
> I have tried searching on google and I haven't been able to find an answer
> yet.
>
> Thanks,
> Dave
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