<=> returns 0, -1 , or 1 : Comparison Operators « Language Basics « Perl

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Perl » Language Basics » Comparison Operators

<=> returns 0, -1 , or 1


   

#!/usr/bin/perl



use warnings;

print"Compare six and nine? ", 6 <=> 9, "\n";

print "Compare seven and seven? ",7 <=> 7, "\n";

print "Compare eight and four? ", 8 <=> 4, "\n";

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4.	Comparing Numbers for Equality
5.	Comparing Numbers for Inequality
6.	Equality Operators and Numeric Values
7.	Equality Operators and String Values
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9.	Integer-comparison operators.
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11.	Perl's operators for numeric comparisons
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16.	Using ne in if statement
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19.	three-way-comparison becomes cmp.
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22.	Don't use == when you should use eq!
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