When i have used numbers that are bigger i had to make tcl think it was a float and put number.0 for it to do what i wanted
Darren Ferguson On Mon, 25 Feb 2002 [EMAIL PROTECTED] wrote: > I am working on a back-end logging system and am having a bit of difficulty > with a number conversion. The resource that provides the IP address to log > can only give it in Long format. I have come up with a function to convert > the Long IP into Dotted Quad format, but the first division returns a > negative value whenever the Long IP provided is greater than 2147483647. Can > anyone help figure out why expr will not accept any values bigger than that, > and what my options are? I have looked through the AOLServer functions to see > if there was anything built-in that would work but nothing caught my eye. > > Thanks! > > > > proc dotted_ip_from_long { long_ip } { > > set n 1 > set ip_parts [list] > > while { $n < 5 } { > > set denom [expr int(pow(256,(4 - $n)))] > set ip_part [expr int(floor($long_ip / $denom ))] > set long_ip [expr $long_ip % $denom ] > lappend ip_parts $ip_part > incr n > } > > return [join $ip_parts "."] > > } >