Re: how to write a simple cat

[Sven Panne]

Friedrich Dominicus wrote:
>[...] How can I combine the output with a line-number can I put that
> into the filter? Or do I have to found another solution?

Don't fear! Mr. One-Liner comes to the rescue:    ;-)

   longerThan fn lenlim = readFile fn >>= lines .| filter (length .| (>lenlim)) .| zip 
[1..] .| map (\(n,l) -> shows n ") " ++ l) .| unlines .| putStr

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Cheers,
   Sven
-- 
Sven Panne                                        Tel.: +49/89/2178-2235
LMU, Institut fuer Informatik                     FAX : +49/89/2178-2211
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