Sort IP List
Alex Tweedly
alex at tweedly.net
Fri Jun 29 19:54:01 EDT 2018
Why not just do it directly (avoid the function call) ...
function sortIPList2 pIPList
set the itemdelimiter to "."
try
sort lines of pIPList ascending numeric \
by (item 1 of each * 16777216) + \
(item 2 of each *65536) + \
(item 3 of each *256) + \
(item 4 of each )
catch theError
breakpoint
end try
return pIPList
end sortIPList2
or if you prefer ...
by item 4 of each + 256 * ( item 3 of each + 256 * (item 2 of each + 256 * item 1 of each ))
...
Alex.
On 30/06/2018 00:41, hh via use-livecode wrote:
> Your IP addresses [0-255].[0-255].[0-255].[0-255]
> are the hex IP numbers converted to base 256.
> So you may try the following sorting function that
> converts the IPs from base 256 to base 10 (decimal).
>
> function ip2dec x
> set itemdel to "."
> repeat with i=0 to 3
> add (item 4-i of x)*256^i to y
> end repeat
> return y
> end ip2dec
>
> on mouseUp
> put fld "ips" into s
> sort s numeric by ip2dec(each) # <----
> put s into fld "out"
> end mouseUp
>
>
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