[Haskell-beginners] Passing a file containing a list as an input

[Olivier Revollat]

Hi,
Maybe you should try "interact"

main = io (map processIt)
io f = interact (unlines . f . lines)



Le jeu. 5 juil. 2018 à 22:21, Awsaf Rahman <awsafrahman1704 at gmail.com> a
écrit :

> Hello everyone!
>
> I am really struggling with Haskell I/O.
>
> I have written a mergesort program and as an input to that program I want
> to use a file containing a list of 1000 integers. Let's say the contents of
> the file look like this
>
> [120, 400, 500 , 20, 100 ..]
>
> How can I achieve that? I am trying to write a main function that takes
> the file as an input and passes the list to my mergesort function..
>
> Regards
> Awsaf Rahman
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