in reply to How to use @ARGV

For command line processing see also Re: Using number "0" as an input argument and the links ibidem. 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