[Jprogramming] J equivalent of "exec"?

PMA armstrng at eskimo.com
Tue Feb 18 18:36:59 UTC 2020


Bob, Jimmy, Pascal --
Just plain old Do fercrisake.
Omg, I feel like an idiot!
(Happy, o'course)

See, I'll be using the quotes in one string
as the var NAME that this function's output
will be assigned to.  A little cumbersome,
but hey...

Thanks again!
Cheers back!!!
Pete

On 02/18/2020 12:27 PM, 'robert therriault' via Programming wrote:
> Hi Pete,
>
> Are you looking for ". (Do) https://code.jsoftware.com/wiki/Vocabulary/quotedot
>
>      ".'1 + 1'
> 2
>     FUNCTION=: 4 : 0
> smoutput x  NB. output x string
> smoutput y  NB. output y string
> x +&". y    NB. Using + as the dyadic verb placeholder, equivalent to (". x) + ". y
> )
>     '1+1' FUNCTION '2+2'
> 1+1
> 2+2
> 6
>
> Cheers, bob
>
>> On Feb 18, 2020, at 09:10, PMA <armstrng at eskimo.com> wrote:
>>
>> This question must be too clueless to ask,
>> but two hours with NuVoc leaves me still
>> wondering --
>>
>> I need to write a function invocation with
>> its numeric x and y each in quotes as TEXT:
>>
>>           '1+1' FUNCTION '2+2'
>>
>> I want the function then, after displaying
>> x and y, to remove their quotes and execute
>> their innards.
>>
>> What (a primitive, I assume!) will convert
>> each quote to an executable expression?
>>
>> Thanks in advance.
>> Sorry to test your patience!
>> Pete
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>
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>


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