title: How to quote this parameter in perl module
body: <p>I'm trying to use the AnyEvent::Twitter::Stream module and I want to reference a file that lists the Twitter uids I want to follow.  I can put the uids in the code itself and it works as follows:</p>
  
  <pre><code>my $done = AnyEvent-&gt;condvar;
         my $nt_filter = AnyEvent::Twitter::Stream-&gt;new(
               username =&gt; $cf{account},
               password =&gt; $cf{password},
             method =&gt; 'filter',
             follow =&gt; '15855509,14760150,18598536',
              on_tweet =&gt; sub {
                   #some code.....
              },
              on_error =&gt; sub {
                  my $error = shift;
                  debug "ERROR: $error";
              },
              timeout =&gt; 45,
          );
         $done-&gt;recv;
  </code></pre>
  
  <p>But when I try to do the same using a file as such:</p>
  
  <pre><code>my $done = AnyEvent-&gt;condvar;
         my $nt_filter = AnyEvent::Twitter::Stream-&gt;new(
             open UID_FILE, "/tmp/uids" or die $!;
  
             my @uid_line = &lt;UID_FILE&gt;;
  
               username =&gt; $cf{account},
               password =&gt; $cf{password},
             method =&gt; 'filter',
             follow =&gt; @uid_file,
              on_tweet =&gt; sub {
                    #some code....
              },
              on_error =&gt; sub {
                  my $error = shift;
                  debug "ERROR: $error";
              },
              timeout =&gt; 45,
          );
         $done-&gt;recv;
  </code></pre>
  
  <p>it fails.  The uids file has the following contents:</p>
  
  <pre><code>'15855509,14760150,18598536'
  </code></pre>
  
  <p>I'm getting a 406 error from Twitter, suggesting the format is not correct.  I'm guessing the quotes are not correct somehow?</p>