Re: [Haskell-cafe] "piping" to system call

On Tue, Sep 23, 2008 at 01:37:56PM +0200, Janis Voigtlaender wrote:

Hi,

assume I have a program taking input from stdin. How do I call it from Haskell while feeding to it a string as input.

Sure, have a look at http://hackage.haskell.org/packages/archive/process/1.0.0.0/doc/html/System-... rnuInteractiveCommand does would you want (in,out,err,pId) <- runInteractiveProcess "cat" ... hPutStrLn "test" in hClose in outContents <- hGetContents out print outContents or such Marc