Lua print table

Lua print table

local tconcat = table.concat
local tinsert = table.insert
local srep = string.rep

function print_table(root)
	local cache = {  [root] = "." }
	local function _dump(t,space,name)
		local temp = {}
		for k,v in pairs(t) do
			local key = tostring(k)
			if cache[v] then
				tinsert(temp,"+" .. key .. " {" .. cache[v].."}")
			elseif type(v) == "table" then
				local new_key = name .. "." .. key
				cache[v] = new_key
				tinsert(temp,"+" .. key .. _dump(v,space .. (next(t,k) and "|" or " " ).. srep(" ",#key),new_key))
			else
				tinsert(temp,"+" .. key .. " [" .. tostring(v).."]")
			end
		end
		return tconcat(temp,"\n"..space)
	end
	print(_dump(root, "",""))
end

--local r_table = {}
--findindir ([[D:\EDSCAB_DEV_FEATURE_DAE\sswei\RSNetWorx\RSNW-VSS1\EDS]], "0001000C005C0100.eds", r_table, true)

--print("------ OK\n")

--for key, val in ipairs(r_table) do
--	print(val)
--end