[Haskell-cafe] "piping" to system call

[Marco Túlio Gontijo e Silva]

Em Ter, 2008-09-23 às 13:37 +0200, Janis Voigtlaender escreveu:
(...)
> That is, I want a function like
> 
>    system' :: String -> String -> IO ExitCode
> 
> such that
> 
>    system' cmd inp
> 
> would be equivalent to first writing inp to a file, say "temp", and then
> calling
> 
>    system (cmd ++ " < temp")
(...)
> Does such a system' exist?

I think you should take a look at HSH[0].

Greetings.

0: http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HSH

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