Re: [Haskell-cafe] Replacing stdin from within Haskell

On Thu, Jun 9, 2011 at 13:40, Neil Davies wrote:

Anyone out there got an elegant solution to being able to fork a haskell thread and replace its 'stdin' ?

If you don't mind being tied to GHC you can use hDuplicateTo from GHC.IO.Handle [1]. You can also use dupTo from the unix package [2], but that ties you to unix-like platforms instead. Erik [1] http://hackage.haskell.org/packages/archive/base/latest/doc/html/GHC-IO-Hand... [2] http://hackage.haskell.org/packages/archive/unix/latest/doc/html/System-Posi...