##
$range[0]..$range[1]
##
##
Range iterator outside integer range at ...
##
##
for( $_= $range[0]; $_ <= $range[1]; $_++ )
##
##
sub octets2num {
my $val= 0;
for( split /\./, shift(@_) ) {
$val= 0x100*$val + $_;
}
return $val;
}
sub num2octects {
my $val= shift(@_);
my @bytes;
while( 0 < $val ) {
unshift @bytes, $val%0x100;
$val= int( $val / 0x100 );
}
return ! @bytes ? "0" : join ".", @bytes
}