I don't think you really mean any other way . . .

#!/usr/bin/env runhaskell module Main where import System (getArgs) import qualified Data.ByteString.Lazy.Char8 as L has_all_vowels :: L.ByteString -> Bool has_all_vowels word = map (\pred -> pred word) predicates == [True,True,True,True,True] where predicates = (map (\c -> L.elem c) "aeiou") words_with_all_vowels = filter has_all_vowels . L.lines main :: IO () main = do [infile] <- getArgs contents <- L.readFile infile mapM_ L.putStrLn $ words_with_all_vowels contents -- -- $ {time ~/vowels.hs /usr/share/dict/words} | wc -l -- ~/vowels.hs /usr/share/dict/words 0.80s user 0.04s system 99% cpu +0.852 total -- 5942 --

Addendum: Mine doesn't handle AEIOU correctly, but then neither does the OP's.

The cake is a lie.
The cake is a lie.
The cake is a lie.


In reply to Re^3: count words which contain all vowels in a file. by Fletch
in thread count words which contain all vowels in a file. by vennila

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