Having programmed in Perl for a couple of years and later in Python and JavaScript, I really started to appreciate sigils. There is literally no ambiguity about

Having programmed in Perl for a couple of years and later in Python and JavaScript, I really started to appreciate sigils. There is literally no ambiguity about what's a variable name and what not. Things like reserved words (think JavaScript's commonly used 'klass' monstrosity) are just a non-issue in Perl.