- which values in Perl evaluate to false - what basic logic comparators are supported in Perl - if, elsif, and else blocks - what logic comparators for strings are supported in core Perl - the unless ...

In Perl, you cannot add strings together with the ‘+’ operator, as you do in Java. This is because in Perl, scalar variables are typeless, and could be either a String or a numerical value. The ‘+’ ...

The first chapter gives a brief overview of the basics of Perl. Users who are new to Perl will probably want to refer to a general purpose book, such as O'Reilly's Learning Perl, before diving into ...