Scripting Languages [ Lab Programs ]

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Aim:

☛   a) Write a Perl script to find the largest number among three numbers.

Solution :

PROGRAM: (largest_num.pl)

 
# read 3 numbers from user
print "enter x value : "; 
$x=<stdin>; 
print "enter y value : "; 
$y=<stdin>; 
print "enter z value : "; 
$z=<stdin>;

# Find largest
my $largest = $x;

if ($y > $largest) {
    $largest = $y;
}
if ($z > $largest) {
    $largest = $z;
}

print "The largest number is: $largest\n";

OUTPUT:

 
enter x value : 12
enter y value : 42
enter z value : 8
The largest number is: 42

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