my ($a,$b,$c,$d) = $address =~ /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
my $hex_addr = sprintf "%02x.%02x.%02x.%02x", $a, $b, $c, $d;

Save yourself some typing and use an array :-)

my @bytes = $address =~ /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
my $hex_addr = sprintf "%02x.%02x.%02x.%02x", @bytes;

In reply to Re: Re: decimal -> hex by grantm
in thread decimal -> hex by FireBird34

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