[Jprogramming] Documentation on exiting J

[Devon McCormick]

This is a good point and it's been brought up before.  I define
   q=: 2!:55
and enter
   q''
to exit J but it's not standard.  We should probably make "exit" more
accessible.


On Mon, Jan 20, 2014 at 1:23 PM, Blake McBride <blake at mcbride.name> wrote:

> Greetings,
>
> Just providing some feedback....
>
> The fist thing I wanted to know when I started J was how to exit.  I did
> some research and discovered 2!:55.  I then defined a verb and used that to
> exit.  Therefore, in order to get a clean way to exit a new language, I had
> to learn what a verb is, what system verbs were available, how to define
> it, and how to load it.  (I know about ^d but think that is hardly a clean
> way to exit.)
>
> Now, years later, I discover the pre-defined verb 'exit'.  I checked the
> docs, especially "Learning J".  There is no mention of 'exit'!
>
> As someone who has played with many languages over the years, and in fact
> an author of one, I respectfully suggest updating chapter 1 of Learning J
> to tell the user how to exit.  Making a research project out of the first
> obvious desire is an unnecessary impediment to a language acquision.
>
> Additionally, since I discovered 'exit', a comprehensive dictionary of
> pre-defined verbs would be very helpful.  (I know about z, etc.)
>
> Thanks.  Just some thoughts...
>
> Blake McBride
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-- 
Devon McCormick, CFA