ex.err and pro
Hello everyone -
I do not understand the ex.err program, and I find 'with profile' a bit
puzzling.
I am having trouble getting a program to run. When it stops, ex.err shows
the values of all the variables involved, but not when they 'went bad' --
whether it was just before the program failed, or perhaps somewhat earlier,
after which the program kept running until it needed the bad value, which
then threw it off the air. Without the 'when', I don't know what caused the
bad value to appear.
My program contains a lengthy sequence (I'll call it a 'mega-sequence' in
this message) consisting of several shorter sequences (without the 'mega'),
each of which contains two elements. Each element in these shorter
sequences is itself a pair of alphabetic characters, which constitutes a
'mini-sequence'. In ex.err two of these 'mini-sequences consist of only one
alphabetic character, and appear in ex.err as atoms. I have no idea what
happened to the other character in those two mini-sequences. The missing
character should have been in the first mini-sequence and in one other that
seems to bounce around within the mega-sequence, but is often in the second
element.
'Profile' shows me how many times something happened, but again if the
number has an unexpected value, there isn't a clue why it is different.
Anybody who wants to see the listing, just ask; I'll send it, together with
some explanatory notes. I should probably send it individually, rather than
via the Listserv, unless eleventy-seven people want copies. Either way,
you'll think I'm crazy. But I'm not crazy, bluh-bluh-bluh, it says here. 
Some of you saw an early version of this program several months ago, before
it was really ready for public presentation, and scolded me roundly for
letting it out in that form. I think it's in better shape now. At least I
hope it is.
(Art Adamson, you can guess what this program is. You get three guesses,
and the first two don't count.)
Wally Riley
wryly at mindspring.com
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