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On 19 Sep 2006, at 17:20, Jerome Vuarand wrote:

   -- Simply find the highest numerical index
   local maxn = 0
   for k,v in pairs(t) do
      if type(k)=="number" and k>maxn then
         maxn = k

With Lua 5.1, table.maxn(t) does this (also traversing the table, but in C :-)

With regards
- Stefan