PERL? Perl? perl? What's good style?
I know the answer—I just wanted to make sure the question was out there and questioners were aware that there is a correct form.
PERL? Perl? perl? What's good style?
I know the answer—I just wanted to make sure the question was out there and questioners were aware that there is a correct form.
Perl
The correct casing is "Perl" for the language and "perl" for the executable. Using "PERL" flags you as someone who isn't particularly familiar with the language or community.
See also What's the difference between "perl" and "Perl"? in perlfaq1.
perl or Perl is fine.