browse keys (@bk)

[Joe Chasan]

On Tue, Jul 20, 2004 at 11:13:10AM -0400, Jay R. Ashworth wrote:
> On Tue, Jul 20, 2004 at 08:59:25AM -0400, John Esak wrote:
> > >          If: @bk = "s" or @bk = "S"
> > >    23  Then: rn=ord(@rn);GOTO get_shp
> > >          If: @BK = "U" or @bk = "u"
> > >    24  Then: fh="0";rn=ord(@rn);GOTO up_rec
> > >          If: @BK = "D" or @bk = "d"
> > >    25  Then: fh=f;rn=ord(@rn);ln=ord(14);GOTO del_rec
> > 
> > Just a quick note... this must be some legacy code you inherited, or just
> > very old code before you knew better... :-), but it makes it look here as if
> > testing the @bk for browse lookups is case-sensitive, because sometimes it
> > is used and other times not. @bk is not case sensitive, at least not for
> > letters, which are the only thing which are case sensitive themselves. If
> > you were checking for an ( or something, of course that requires that the
> > user press the Shift key to get to it, but this is not the same thing. For
> > those just starting to use @bk, it does not discern the difference between
> > a-z and A-Z, either is intercepted and acted upon in the same way.
> 
> True, but that does not necessarily imply -- the fact that filePro
> doesn't care which case you press the key in -- that the *system dummy*
> will return it's reply in a specific case.
> 
> Happens it will; I just tested it: even if you press "X", what you get
> back in @BK is "x".  I don't know whether I think that's a feature or a
> bug; I do know it's not documented.  *Anywhere* -- it should be in
> 18.11.2.11 of Stuart's fourth, but it's not.
> 
> But more importantly, how come "=" is acceptable on an IF line?

its always been acceptable, though personally i don't like it
 
> I see that that is in Stuart's book, but ISTR that it used to give
> syntax errors; when did it start working?

i think more importantly, the "=" will not differentiate between case
no matter what - you need to replace it with "COMPARE"
 
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-Joe Chasan-                      Magnatech Business Systems, Inc.
joe at magnatechonline.com           Hicksville, NY - USA
http://www.MagnatechOnline.com    Tel.(516) 931-4444/Fax.(516) 931-1264