title: How to convert time format from "2010-10-08 00:00:01" to "1286467201" in awk
body: <p>In awk, Is there a way to convert the time format from "2010-10-08 00:00:01" to 1286467201<br>
  as using the command "date"<br>
  $ date +%s -d '2010-10-08 00:00:01'<br>
  1286467201</p>