in reply to Re^3: detecting an undefined variable
in thread detecting an undefined variable

You are right, exists doesn't work reliably on glob-slots. :/

I should have known better, already got bitten by it in the past.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

In Section Seekers of Perl Wisdom