DB<64> p exists $main::{X}

  DB<65> $X = undef

  DB<66> p exists $main::{X}
1
  DB<67>

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> Do not shoot the piano player, ... :-)

Why would I?

I'm not aware that Charles Aznavour spread fake news about programming ...

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

In reply to Re^3: Two meanings of undef by LanX
in thread Two meanings of undef by likbez

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