Sams Teach Yourself Perl in 24 Hours (3rd Edition)

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

! (logical not) 2nd

! (not)

$ variable

        warning against storing values 2nd

$_ (special scalar variable)

% (hash type identifier

% ( modulus operator)

&& (logical and) 2nd

(backslash)

        references

* (multiplication operator)

* (quantifier)

** (exponentiation operator)

+ (addition operator)

+ (quantifier)

++ (autoincrement operator

- (subtraction operator

-- (autodecrement operator

-c (check syntax)

        command line switch

-d (debug)

        command line switch

-e (execute one-line program)

        command line switch

-n (input loop)

        command line switch

-p (input loop with print)

        command line switch

-V (detailed version)

        command line switch

-v (version)

        command line switch

. (concatenation operator)

. (dot)

        regular expressions

.. (range operator)

/ (division operator)

< (numeric less than)

<=

= (assignment operator) 2nd

        combined with other operators

        context

        contrast to numeric equality test 2nd

== (numeric equality test)

        contrast to assignment operator 2nd

=~ (regular expression binding operator)

= (comma-arrow operator)

        initializing hashes

? (quantifier)

@@@EDIT NOTE

        global replace ++ with two colons@@@

@INC array

        module searches

[ds]

       regular expressions

                anchor

[LT][GT] (angle operator)

        command-line tools

        condition of while

        list context

        reading files

[LT][GT] operator

        globbing

^ [See caret]

{} (quantifier)

(logical or) 2nd