title: Efficient way to compare three text files in vb.net
body: <p>I have a vb.net program in which I must compare three text files(two against one) and verify that they are all same. Even if there is one change I must know where the change is, which text file and which line. The format of the text file is like this</p>
  
  <pre><code>timestamp|ab|someval
  timestamp|ab|someval1
  timestamp|bc|someval2
  timestamp|bc|someval2
  </code></pre>
  
  <p>All the text files are like this with a same format, but the values might be in a different order. For instance</p>
  
  <pre><code>text1.txt
  
  ts|av|2
  ts|ab|3
  ts|av|4
  
  text2.txt
  
  ts|av|4
  ts|ab|3
  ts|av|2
  </code></pre>
  
  <p>This should not fail as they have the same values. Can any one tell me how can I go about this?</p>