[Haskell-beginners] send string to stack ghc

[Paum B.]

yes, nice.

but after the process is over. I need to hold it running (dtill the same
one) until command  to end it.

again, thankx!



On Fri, Aug 24, 2018 at 2:28 PM David McBride <toad3k at gmail.com> wrote:

> You should be able to run something like this:
>
> echo 'putStrLn "hi"' | stack exec -- ghci -XOverloadedStrings
>
> On Fri, Aug 24, 2018 at 8:21 AM, Paum B. <fraybauhaus at gmail.com> wrote:
>
>> Actually, I dont know if I have asked good question to what I need.
>> So, I would like to run the process:
>>
>> stack ghc -- --interactive -XOverloadedStrings
>>
>> and then, somehow from 'outside' push string commands to it...
>>
>> On Fri, Aug 24, 2018 at 2:08 PM Paum B. <fraybauhaus at gmail.com> wrote:
>>
>>> oh, thats good - thank you!
>>>
>>> is there any example in bash?
>>>
>>> thnx
>>>
>>> On Fri, Aug 24, 2018 at 2:02 PM Paul <aquagnu at gmail.com> wrote:
>>>
>>>> Sure. I remember old days Tcl/Tk utility "expect" for such interactive
>>>> scripting sessions. Open a pipes and communicate with process :) Today
>>>> there are tools similar to "expect" for scripting command line utilities.
>>>>
>>>> Also Emacs works with GHCi (interro) in such way. Also Dante IMHO.
>>>> Visual Studio Code Haskelly and Haskerro, etc..
>>>>
>>>>
>>>>
>>>> 24.08.2018 14:58, Paum B. wrote:
>>>>
>>>> Hi List,
>>>>
>>>> It is possibile to run:
>>>>
>>>> stack ghc -- --interactive -XOverloadedStrings
>>>>
>>>> and then send to it strings (commands) externally?
>>>> Thanks
>>>>
>>>> paum
>>>>
>>>>
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