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</div> <!-- #EndLibraryItem --><h1> while</h1> 
<p>Execute <var>consequent-commands</var> as long as <var>test-commands</var> 
has an exit status of zero</p>
<pre>Syntax
      while <var>test-commands</var>; do <var>consequent-commands</var>; done</pre>
<p>The return status is the exit status of the last command executed 
in <var>consequent-commands</var>, or zero if none were executed. </p>
<p><em>&ldquo;Men talk of killing time, while time quietly kills them.&rdquo; - Dion Boucicault 
</em></p>
<p><b>Related</b>:<a href="for.html"><br>
  </a><a href="case.html"><br>
  case</a> - Conditionally perform a command<a href="for.html"><br>
  for</a> - Expand <var>words</var>, and execute <var>commands</var><br>
  <a href="if.html">if</a> - Conditionally perform a command<br>
  <a href="until.html">until</a> - Execute commands (until error)<br>
Equivalent Windows commands: <a href="../term_tools/nt/if.html">IF</a> - Conditionally perform a command.</p>
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