On a related note, I recently implemented a System.Process library on Unix. Source code attached. The Windows implementation should be relatively straightforward. Porting it to Hugs will require System.Posix.forkProcess, but I don't see any great difficulties there.
One warning: if you want to use it in a concurrent environment with GHC,
you need to use GHC's threaded RTS (i.e. use the -threaded option in the
forthcoming GHC 6.2.1), otherwise waitForProcess will block all threads.
POpen-type abstractions can easily be layered on top of the
functionality here - indeed the library should probably contain some
higher-level versions which correspond to common usage.
I think this is a good platform-independent abstraction for process
management. What do others think?
Cheers,
Simon
Process.hs
Description: Process.hs
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