For multi-line definitions like this, you should be putting your
script in a file.

Hit control-N to get a blank editor window.

Thanks,

-- 
Raul


On Sat, Jun 27, 2015 at 10:24 PM, Daniel Roe <[email protected]> wrote:
> I'm just learning J so this is a bit of a newbie question.
> 1) I open up the J session window
> 2) I type in a definition of a verb from the Learning J document - Chapter 
> 12...
>
> dog =: 3 : 0
> if. y>90 do. 'too hot'
> elseif. y<30 do. 'too cold'
> elseif. 1 do. 'OK'
> end.
> )
> It's the porridge - too hot - too cold - example - I called it dog
> Now I want to go back in and change the parameters a bit - for example I want 
> to make too cold be < 40 not 30.3) I put the cursor in the definition and 
> change the 30 to a 40
>
> 4) With the cursor I select the entire definition and then copy it with a 
> CTRL-C
>
> 5) I hit he enter key until I get the waiting for input cursor down below 
> everything
> 6) I paste in the modified definition with a CTRL-V and hit enter
> 7) I get a syntax error message.
> I can't believe that one must re-type the entire definition just to make a 
> change. What am I doing wrong?
> Dan
>
>
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