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- Subject: Re: Recursive Traversal of Tables
- From: "Daniel Collins" <daniel.collins@...>
- Date: Sun, 28 May 2006 19:12:47 +0930
> But if you do, in fact, need your parameters to be traversed
> in order, and that order is consistent throughout, this will work:
>
> -- Specify order for parameters.
> local paramNames = "name server IP domain class license JDK " ..
> "WebLogicVersion Console instance port"
>
That's much neater than my suggestion. Another variation would be to
store the keys to the named fields in a table:
local paramNames = { "name", "server", "IP", etc...}
Then iterate paramNames using ipairs, and using that to index into the
table in Project. This avoids having to parse the string each time, and
might be faster for really large datasets. I don't know this for sure
though, and the difference might be trivial. In fact I am really just
guessing :-)
function Project(table)
for i,v in ipairs(paramNames) do
if table[v] then
print(table[v])
end
end
-- iteration of subtables is as before.
end
- DC