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Perl in a Nutshell, 2nd Edition
book

Perl in a Nutshell, 2nd Edition

by Nathan Patwardhan, Ellen Siever, Stephen Spainhour
June 2002
Beginner content levelBeginner
759 pages
80h 42m
English
O'Reilly Media, Inc.
Content preview from Perl in a Nutshell, 2nd Edition

Equality operators

The equal and not-equal operators return 1 for true and “” for false (just as the relational operators do). The <=> and cmp operators return -1 if the left operand is less than the right operand, 0 if they are equal, and +1 if the left operand is greater than the right.

Numeric

String

Meaning

==

eq

Equal to

!=

ne

Not equal to

<=>

cmp

Comparison, with signed result

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Publisher Resources

ISBN: 0596002416Errata Page