! Aware to Perl: Perl Built-in Functions - RocketAware List operators take more than one argument, while unary operators can never take more than one argument Thus, a comma terminates the argument of a unary operator, but merely separates the arguments of a list operator
Perl Documentation - Perldoc Browser Run perldoc perldoc to learn more things you can do with perldoc For ease of access, the Perl manual has been split up into several sections Full perl (1) documentation: perl Perl officially stands for Practical Extraction and Report Language, except when it doesn't