How do I get the full path to a Perl script that is executing?

Question

I have Perl script and need to determine the full path and filename of the script during execution. I discovered that depending on how you call the script $0 va

Answer 1

What's wrong with $^X ?

#!/usr/bin/env perl

print "This is executed by $^X\n";

Would give you the full path to the Perl binary being used.

Evert