On Thu, Feb 10, 2011 at 08:44, Thomas Davie <tom.da...@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?
Maybe you are thinking of this? http://www.joachim-breitner.de/blog/archives/156-Haskell-on-the-Command-Line.html _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe