title: I want to watch a log file
body: <p>I am running stuff on a server, and I find <code>watch -n 30 qstat job.pbs</code> a bit uninformative. Why can't I get</p>
  <pre><code>$ watch -n 30 less location/of/log|tail
  </code></pre>
  <p>to work? I get a blinking cursor. I do get output from</p>
  <pre><code>less location/of/log|tail
  </code></pre>