Yep, still 0 after )SIC.
I checked it with this function:
∇F;⎕IO
[1] ⎕IO←~⎕IO ◊ →1∇
And indeed ⎕IO goes back to its original value after )SIC.
Thank you. I should have put that in the original email.
Louis
> On 25 Aug 2016, at 04:01, Christian Robert <christian.rob...@polymtl.ca>
> wrote:
>
> After second though, you may have/had a point.
>
> keep investigating.
>
> Xtian.
>
> On 2016-08-24 21:54, Louis de Forcrand wrote:
>> You are entirely right, I didn't do that when I reproduced it for the email.
>> However I believe that I did check quad IO after )SIC the first time it
>> happened and it was still 0.
>> Almost like the variables being localised are localised after execution?
>> I'll check again when I can.
>>
>> Thanks for pointing that out.
>> Louis
>>
>>> On 25 Aug 2016, at 03:39, Christian Robert <christian.rob...@polymtl.ca>
>>> wrote:
>>>
>>> try ⎕IO
>>>
>>> *after* )sic
>>>
>>> the fact is that when a function is interruped, you see "by the last"
>>> interrupted function. Until you type )sic or )reset
>>>
>>> my 2 cents, as usual, I may be wrong.
>>>
>>> Xtian.
>>>
>>>
>>>> On 2016-08-24 21:09, Louis de Forcrand wrote:
>>>> ∇Z←F N;⎕IO
>>>> [1] Z←⍎(N>1)⊃'N' 'N×F N-1'⊣⎕IO←0∇
>>>> F 6
>>>> 720
>>>> f←{⍎(⍵>1)⊃'⍵' '⍵×f ⍵-1'⊣⎕IO←0;⎕IO}
>>>> f 6
>>>> SYNTAX ERROR
>>>> λ1[1] λ←⍎(⍵>1)⊃'⍵' '⍵×f ⍵-1'⊣⎕IO←0;⎕IO
>>>> ^ ^
>>>> ⎕IO
>>>> 0
>>>> )SIC
>>>> ⎕IO←1
>>>> f←{⍎(⍵>1)⊃'⍵' '⍵×⍙ ⍵-1'⊣⎕IO←0;⎕IO}
>>>> f 6
>>>> VALUE ERROR
>>>> ⍵×⍙ ⍵-1
>>>> ^
>>>> ⎕IO
>>>> 0
>>>> )SIC
>>>>
>>>>
>>>> As is shown, system variables such as ⎕IO cannot be localised
>>>> in lambdas as they can be in del-fns.
>>>> The last example is there because I just thought the order of
>>>> execution was intriguing: it seems to show that the error with
>>>> local ⎕IO was signalled at the end (left) of the lambda. This
>>>> of course might be as it should.
>>>>
>>>> In addition I was wondering if there is a way to refer to the
>>>> enclosing lambda / function anonymously, i.e. ∇ in Dyalog.
>>>> That is how I first entered the faulty symbol, and found this
>>>> potential bug.
>>>>
>>>> Good luck,
>>>> Louis
>>>>
>>
>>
