How to remove all whitespace and newlines?
<p>Assuming I have a file that contains the following:</p>

<p>Assume <code>&lt;tab&gt;</code> is actually a tab and <code>&lt;space&gt;</code> is actually a space. (ignore quotes)</p>

<pre><code>"

    &lt;tab&gt;&lt;tab&gt;

    &lt;space&gt;
    &lt;tab&gt;
    The clothes at
    the superstore are
    at a discount today.
"
</code></pre>

<p>Assume this is in a text file. How do I remove all the spaces such that the resulting text file is (ignore the quotes:</p>

<pre><code>"
    The clothes at
    the superstore are
    at a discount today.
"
</code></pre>
