max <m...@mtw.ru> writes:

> I want to write a function whose behavior is as follows:
>
> foo "string1\nstring2\r\nstring3\nstring4" = ["string1",
> "string2\r\nstring3", "string4"]
>
> Note the sequence "\r\n", which is ignored. How can I do this?

cabal install split

then do something like

   import Data.List (groupBy)
   import Data.List.Split (splitOn)

   rn '\r' '\n' = True
   rn _ _ = False

   required_function = fmap concat . splitOn ["\n"] . groupBy rn

(though that might be an abuse of groupBy)

-- 
Jón Fairbairn                                 jon.fairba...@cl.cam.ac.uk



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