Using Module::Load::Conditional to find out everything you never wanted to know about FindBin: 
#!/usr/bin/perl

use strict;
use warnings;
use Module::Load::Conditional qw(check_install requires);

my $rv = check_install( module => 'FindBin')
     or print "FindBin is not installed.\n";
print "FindBin is up to date ", "\n", if $rv->{uptodate};
print "The version number is $rv->{version}\n";
print "It is installed as file $rv->{file}\n\n";
print "The following modules are required:\n";
print join "\n", requires('FindBin'), "\n";

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In reply to Re: How to tell if a package is loaded by Khen1950fx
in thread How to tell if a package is loaded by mifflin

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