[Haskell-cafe] ghci command line execution

[aditya siram]

Possibly HSH[1]?
[1] http://hackage.haskell.org/package/HSH-2.0.3

On Thu, Feb 10, 2011 at 8:44 AM, Thomas Davie <tom.davie at gmail.com> wrote:
> A while ago I remember someone showing me some tool, I *think* ghci that allowed you to pass it a function of type String -> String as an input, and have it simply run that function on stdin (presumably using interact) to achieve useful things like this...
>
> $ cat myFile.txt | ghci -e 'unlines . zipWith (\x y -> show x ++ " " ++ y) [1..] . lines'
>
> Does anyone know what it was that I saw being used here?
>
> Thanks
>
> Tom Davie
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