I've created a wiki page which newbies like me might find useful. It's
a simple-minded browser to inspect the contents of any given locale. I
guess it recovers for me the sort of way I've been working with APL.

http://www.jsoftware.com/jwiki/IanClark/LoBrow

I've not provided a downloadable script yet. Just copy/paste "the
code" section into a fresh .ijs window and try it out. It's pretty
self-explanatory and won't munge anything valuable. It doesn't save
any files, though it does create new scripts for you to save.

Since this is my first "deliverable" project in J, I'd welcome
comments from old-hands on where my code could be improved. See
Observations and Discussion right at the bottom, for starters. I can't
believe nobody's written something like this already, only better.
Perhaps there's an item in the J menu I've overlooked...?

Ian Clark
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