in reply to Note on usage of ours variables and a question

You want a constant? Or you may try the There Can Be Only One approach 😎. Log::Log4perl does it do like this. Or offers it. As you like. And/or as far as i remember. Regards, Karl

«The Crux of the Biscuit is the Apostrophe»

perl -MCrypt::CBC -E 'say Crypt::CBC->new(-key=>'kgb',-cipher=>"Blowfish")->decrypt_hex($ENV{KARL});'Help