sts, customized server configuration
etc.). Different FTP servers behave in different way during seek
operation. ff* tools may produce incomplete content due to server limitations.
</p>
<p>This protocol accepts the following options:
</p>
<dl compact="compact">
<dt>&lsquo;<samp>follow</samp>&rsquo;</dt>
<dd><p>If set to 1, the protocol will retry reading at the end of the file, allowing
reading files that still are being written. In order for this to terminate,
you either need to use the rw_timeout option, 