mt wrote:
> hi,
>
> i'd like to know how to write simply a line-based interactive program, that
> is
> one with which you have a 'talk'.
I would start with:
main =
do putStrLn "Please enter text (or press return to exit):"
s <- getLine
if s /= "" then do
putStrLn s
main
else return ()
> a simple filter-like line-based program ca be written as:
>
> -- a filter program process an entire input to yield some output
> type FilterProgram = [Line] -> [Line]
Forget this, if it's not an (old) exercise
Christian
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