| Perl Construct | Example | Description and Link |
|---|---|---|
| q, qq, qx, qw | $string = qq{He said, "Hello, world!"}; | Alternate Quoting Styles |
| and, or | $errors < 100 or die "Too many errors!"; | Logical And and Logical Or |
| $| | $| = 1 | Autoflush Operator |
| m//x | $file =~ m{ ^/usr/sbin }x | Easier-to-Understand Regular Expressions |
| use | use CGI; | Using Perl Modules |
| :: -> | Getopt::Std $q->dump | Object-Oriented Programming in Perl |
| carpout | use CGI::Carp qw (carpout); carpout(\*STDOUT); | Redirecting Errors to the Browser (preferred argument is a reference to a typeglob) instead of server's error log |
| <=> | return $a <=> $b; | Numeric Comparison Operator |