ch method you choose depends on your exact situation.</p>
</div>
<div class="paragraph">
<p>The advantage of using an external diff command is flexibility. You are
not bound to find line-oriented changes, nor is it necessary for the
output to resemble unified diff. You are free to locate and report
changes in the most appropriate way for your data format.</p>
</div>
<div class="paragraph">
<p>A textconv, by comparison, is much more limiting. You provide a
transformation of the data into a line-ori