title: Bash script to convert a date and time column to unix timestamp in .csv
body: <p>I am trying to create a script to convert two columns in a .csv file which are date and time into unix timestamps. So i need to get the date and time column from each row, convert it and insert it into an additional column at the end containing the timestamp. </p>
  
  <p>Could anyone help me? So far i have discovered the unix command to convert any give time and date to unixstamp: </p>
  
  <pre><code>date -d "2011/11/25 10:00:00" "+%s"
  1322215200
  </code></pre>
  
  <p>I have no experience with bash scripting could anyone get me started? </p>
  
  <p>Examples of my columns and rows: </p>
  
  <pre><code>Columns: Date, Time, 
  Row 1: 25/10/2011, 10:54:36,
  Row 2: 25/10/2011, 11:15:17,
  Row 3: 26/10/2011, 01:04:39,
  </code></pre>
  
  <p>Thanks so much in advance!  </p>