do   --read data from file    function readFile()     local fileHandle = assert(io.open("test.txt", "r"), "not the file");     if fileHandle then       local outData = fileHandle:read("*all");       print(outData);     else       print("false");     end       fileHandle:close(errorInfo);   end    --write data to the file   function writeFile(dataBuffer)     local writeHandle = assert(io.open("write.txt", "a+"), "not the file");      if writeHandle then       writeHandle:write(dataBuffer);       print("true");     else       print("false");     end      writeHandle:close();   end     local inputData = 0;    repeat     inputData = io.read(); --write the data from io     writeFile(inputData);   until inputData == '#'   end