Logical Operators - Perl Tutorial

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Logical Operators in Perl

Tutorials

Perl

Topic

What are the Logical Operators?

Explanation

The following are the Logical Operators used in Perl.

Operator		Function
&&	and	logical conjunction of the two surrounding expressions
\|\|	or	logical disjunction of the two surrounding expressions
!	not	returns the logical negation of the expression to its right

Example:

    #! C:\programfiles\perl\bin\perl
    print "content-type: text/html\n\n";
    $a=1;
    $b=5;
    if( ($a<$b)&&($b>$a))
     {
      print "Condition is true";
     }
    else 
     {
      print "Condition is False";
     }

Result:

     Condition is true

In the above example, the variables are compared with two conditions 1<5 and 5>1, so the result would give "Condition is True" as both the conditions are satisfied.

A Note

Simple introduction, basic CGI perl programming codes with examples. Do send your feedback or suggestions on this tutorial. This is a copyright content.