in reply to CavaPackager macOS no Perl distribution

"...Only a Perl with threads is supported on + this platform... I am on macOS running all sort of Perl through Perlbrew"

I guess you need to build your Perl with threads. See Re: Simultaneously reading from a file and serving data how to do this with perlbrew.

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