title: how to write batch script on command prompt to extract nth line from multiple txt files?
body: <p>What's the batch script I should write on Windows command prompt to extract the values from 20th line of 200 text files and put them into a new text file named &quot;master.txt&quot;</p>
  <p>Each text files contains hundreds of lines, and I only need the value from line 20.</p>
  <p>For example</p>
  <p>text file name:</p>
  <p>test1.edit.txt</p>
  <p>test2.edit.txt</p>
  <p>test3.edit.txt</p>
  <p>......</p>
  <p>Sample File:</p>
  <p>Line 1 - xxxxx</p>
  <p>Line 2 - xxxxx ......</p>
  <p>Line 20- PROPERTY 100</p>
  <p>Result:</p>
  <p>PROPERTY 100 (from test1.edit.txt)</p>
  <p>PROPERTY 200 (from test2.edit.txt)</p>
  <p>PROPERTY 300 (from test3.edit.txt) ......</p>
  <p>Thank you in advance</p>