On Mon, 23 Aug 1999, Christopher Lindsey wrote:
cl> > I;ve got a really quick question, how can you check to see that a
cl> > variable equals something? I'm trying to make sure the variable isn't
cl> > empty but I havn't been able to figure out a correct syntax for it.
cl>
cl> Try something like
cl>
cl> * ! VARIABLE ?? ^^^^
cl>
cl> ^^ anchors the expression at the start or end of the search area,
cl> depending on placement. So ^^^^ is anchored with nothing in between,
cl> meaning that the variable is empty.
cl>
Yep, that did it, thanks alot, I saw some examples where they were using
the ^^^^ symbols like that, but had no idea what they were doing or what
they were for.
Thanks again.
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