Thomas Davie schrieb: > 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?
It must be just 'ghc' not 'ghci' and yes, 'interact' must be called. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
