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Perl supplies the user with 6 numerical comparison operators which test for the comparison of two numbers. They are:
$x == $y | $x and $y are equal. |
$x > $y | $x is greater than $y |
$x < $y | $x is lesser than $y |
$x >= $y | $x is greater or equal to $y |
$x <= $y | $x is lesser or equal to $y |
$x != $y | $x is not equal to $y |
Those operators can be used inside conditionals and also outside, as part of a normal expression. The following program prints all the numbers between 1 and 100 that are not divisible by 3:
for $n (1 .. 100) { if (($n % 3) != 0) { print $n, "\n"; } }
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Written by Shlomi Fish