Use the POSIX module: 
use POSIX qw(ceil);
print ceil(3.5);   # prints 4
print ceil(4);     # also prints 4

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or, you can use this function: 
sub roundup {
    my $n = shift;
    return(($n == int($n)) ? $n : int($n + 1))
}

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In reply to Re: How do I round up a number? by Anonymous Monk
in thread How do I round up a number? by MrNobo1024

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