Dan,
The utility would be much appreciated.
You're right about the danger of assigning to a variable that is sometimes a
noun and sometimes a verb. It was done purely because fewer errors resulted
when I was trying to build it. It seems necessary for writing the controlA
definition below, though the actual assignment is a 0 noun. (evaluation during
defintion)
finallyC_z_ =: 2 : 'u :: ((v)][:13!:12(''''[]))'
flag1_z_ =: (] controlA_z_ =: 1 : ('flag1_z_ =: 1';'o=. u y';'flag1_z_ =:
0';'o';':';'flag1_z_ =: 1';'o=. x u y';'flag1_z_ =: 0';'o') ( finallyC
('flag1_z_' assign 0:))) 0
>>>
PS: However, I think I did see someone voice the desire to express an arbitrary
J script on a single line, for situations where space is limited. I wrote a
utility for this purpose a few years ago for use with Ambrus' jeval IRC bots.
I'm on the road now (going to see if I can leave to play golf [don't hold your
breath]), but I can post it later if there's interest. Or maybe a quick search
on the J Wiki (under Community/IRC) will turn up something.
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