[Haskell-cafe] Splitting a string into chunks
Jon.Fairbairn at cl.cam.ac.uk
Fri Jan 13 16:35:58 EST 2006
On 2006-01-13 at 13:32PST Jared Updike wrote:
> That works except it loses single newline characters.
> let s = "1234\n5678\n\nabcdefghijklmnopq\n\n,,.,.,."
> Prelude> blocks s
Also the argument to groupBy ought to be some sort of
blocks = map unlines
. filter (all $ not . null)
. groupBy (\a b -> not (null b|| null a))
... but that suffers from the somewhat questionable
properties of lines and unlines.
Jón Fairbairn Jon.Fairbairn at cl.cam.ac.uk
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