PHP, Perl, Python, Ruby compared
This is pretty handy for someone like me that knows Perl pretty well, but is interested in learning other languages like Python and Ruby. This is also great as a cheat sheet for a language you already know well: http://hyperpolyglot.org/scripting.
For instance, I’ve been using Perl for years and had no idea that they had a REPL mode…well, it’s more of a pseudo REPL mode but it lets me use Perl interactively:
perl -de 0