On Tue, 27 Sep 2005, Ketil Malde wrote: > Creighton Hogg <[EMAIL PROTECTED]> writes: > > > So I looked to see if there were any standard functions for > > taking an input line and turning it into a list, and I > > couldn't find any. How would one do this in Haskell? I > > just want to parse the line into a list of strings, and > > from there recover the numbers from the strings. > > In other words, you want to split "lines" into "words" and "read" > numbers from the result? Perhaps you should check the Prelude again.
Well don't I feel silly. I'll RTFM next time instead of just skimming the type signatures. > > That doesn't seem easy though, unelss there's something I'm > > missing. > > Reading from and writing to the outside world must take place in the > IO monad. The parsing and other manipulation can be done by > functions, use e.g. "let" in the IO code to construct intermediate > values. > > E.g., main can look like: > > main = do > f <- readFile "table.txt" > let x = my_parse_function f > putStrLn x > > my_parse_function :: String -> String > ... Okay this is a bit more clear to me now, thanks. _______________________________________________ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mailman/listinfo/haskell
