[Haskell-beginners] IO question

[Vale Cofer-Shabica]

Just to add to David's answer, when I find myself in situations like:
foo >>= return . bar

hlint helpfully suggests:
fmap bar foo

So you could also have:
fmap (splitOn ",") $ readFile "data.txt"

-vale

--
vale cofer-shabica
401.267.8253

On Mon, Dec 11, 2017 at 4:24 PM, mike h <mike_k_houghton at yahoo.co.uk> wrote:

> Thank you David.  Before posting I tried readFile "data.txt" >>= … but got
> errors as I didn’t use return.!!
>
> Mike
>
>
>
> On 11 Dec 2017, at 21:00, David McBride <toad3k at gmail.com> wrote:
>
> splitOn "," <$> readFile "data.txt"
>
> or perhaps
>
> readFile "data.txt" >>= return . splitOn ","
>
> On Mon, Dec 11, 2017 at 3:56 PM, mike h <mike_k_houghton at yahoo.co.uk>
> wrote:
>
>> I have
>>
>>  input <- readFile “data.txt”
>>  let  input’ = splitOn “,” input
>> ….
>>
>> How do I make that into just one line?
>>
>> Thanks
>>
>> Mike
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>>
>
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