Can a subroutine know its own name?

It can get its name by using one of the forms of caller(). Try this: 

foo();

sub foo {
  my @callinfo = caller(0);
  print "i am $callinfo[3]\n";
}

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Details in perlfunc.

In reply to Re: Subroutine names internally by dws
in thread [untitled node, ID 193989] by Samn

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