title: Transpose one line/lines from column to row using shell
body: <p>I want convert a column of data in a <code>txt</code> file to a row of a <code>csv</code> file using unix commands.</p>
  
  <p>example: </p>
  
  <pre class="lang-none prettyprint-override"><code>ApplChk1,
  ApplChk2,
  v_baseLoanAmountTI,
  v_plannedClosingDateField,
  downPaymentTI,
  </code></pre>
  
  <p>this is a column which  present in a txt file</p>
  
  <p>I want output as follows in a csv file</p>
  
  <pre class="lang-none prettyprint-override"><code>ApplChk1,ApplChk2,v_baseLoanAmountTI,v_plannedClosingDateField,downPaymentTI,
  </code></pre>
  
  <p>Please let me know how to do it.</p>
  
  <p>Thanks in advance</p>