/i> <i>value</i>  </td><td style="border: 1px solid #aaa; padding: 5px;">  Append the specified string to the string stored at key  </td></tr><tr><td style="border: 1px solid #aaa; padding: 5px;"> <a href="SubstrCommand.html">SUBSTR</a>  </td><td style="border: 1px solid #aaa; padding: 5px;"> <i>key</i> <i>start</i> <i>end</i>  </td><td style="border: 1px solid #aaa; padding: 5px;">  Return a substring of a larger string  </td></tr></table>
<h2><a name="Commands operating on lists">Commands operating on lis