Help for this page
@a = (1,2,3); delete $a[1]; print "($_)\n" for @a;
(1) () (3)
@a = (1,2,3); delete $a[1]; print "I'm ", exists $a[1] ? "here" : "gone"; ... @b = (1,2,3); $b[1] = undef; print "I'm ", exists $b[1] ? "here" : "gone";
I'm gone I'm here