#!/usr/bin/perl package My::Module; use feature qw(say); local $_SCRIPT = ""; local $_PATH = ""; BEGIN{ use Cwd 'abs_path'; $_PATH = $0; # this script $_PATH =~ s/([^\/]+)$//; # strip the filename, now we have a (relative) directory $_SCRIPT = $1; # the stripped part is the filename $_PATH = abs_path($_PATH); # now we have an absolute directory print "My::Module 0=$0 _PATH=$_PATH _SCRIPT=$_SCRIPT \n"; } sub print_file_name { say __FILE__; } sub print_script_name { say "print_script_name: $_PATH/$_SCRIPT"; } sub print_caller_name { my @D = caller(); $D[1]= abs_path($_PATH.'/'.$D[1]) unless $D[1]=~m{^/}; say "print_caller_name: @D"; } 1;