in reply to Can't find perl script

Welcome! You posted not no code :-(

Try this:

#!/usr/bin/env perl use strict; use warnings; use feature qw(say); say q(Hello world!) __END__ karls-mac-mini:monks karl$ ./first.pl Hello world!

See also chmod.

Best 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