SAMS Teach Yourself Perl in 24 Hours THIRD EDITION

Q&A

Q1:	I'm familiar with another programming language, C, which has a switch (or case) statement. Where is Perl's switch statement?
A1:	Perl doesn't have one! Perl provides such a variety of tests that figuring out the best syntax for a switch statement is nightmarish. The simplest way to emulate a switch statement is as follows: if ($variable_to_test == $value1) { statement1; } elsif ($variable_to_test == $value2) { statement2; } else { default_statement; } The online syntax manual page—which you can view by typing perldoc perlsyn at a command prompt—contains many clever examples of how to emulate a switch statement in Perl, some with very switch-like syntax.
Q2:	How many for (while, if) blocks can I nest inside each other?
A2:	As many as you ...