use Term::QRCode;for(DATA){shift&&do{seek$_,0,undef$/};print Term::QRCode->new->plot(<$_>)}
__DATA__
Just another Perl hacker,

##</code><code>##

$ perl qrjaph self # Generate a QR that contains this script as its encoded text.
$ perl qrjaph      # Generate a QR that contains just the text Just another Perl hacker,