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function print_r ( t )      local print_r_cache={}    local function sub_print_r(t,indent)        if (print_r_cache[tostring(t)]) then            print(indent.."*"..tostring(t))        else            print_r_cache[tostring(t)]=true            if (type(t)=="table") then                for pos,val in pairs(t) do                    if (type(val)=="table") then                        print(indent.."["..pos.."] => "..tostring(t).." {")                        sub_print_r(val,indent..string.rep(" ",string.len(pos)+8))                        print(indent..string.rep(" ",string.len(pos)+6).."}")                    elseif (type(val)=="string") then                        print(indent.."["..pos..'] => "'..val..'"')                    else                        print(indent.."["..pos.."] => "..tostring(val))                    end                end            else                print(indent..tostring(t))            end        end    end    if (type(t)=="table") then        print(tostring(t).." {")        sub_print_r(t,"  ")        print("}")    else        sub_print_r(t,"  ")    end    print()end

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