title: the output symbol ">>" in batch file
body: <p>that it weird with the ">>" in batch file.
  i could run <code>echo. &gt;&gt;test</code> command line direct key in the cmd window and get the ouput in expected.</p>
  
  <p>but if you write in the bat, for example:
  when i write a <strong>test.bat</strong> with code <code>echo. &gt;&gt; test</code></p>
  
  <p>there will run in cmd with code <code>echo. 1&gt;&gt; test</code></p>
  
  <p>i have no idea why it would be, and nobody discus with. it not have bug happen until now, but i afraid of it had happen without findding out.</p>
  
  <p>my default chcp is 950, because i using some variable with chinese context, there is someone advice me to use chcp 65001, but the problem still happen</p>
  
  <p>does someone have any advice?</p>