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<div><h2 id="a0000000056">6.9.1 Storing data structures in text files</h2>
<p>The <tt class="tt">dump(x)</tt> method of file handles is provided as a means of writing a typeable ASCII representation of the object <tt class="tt">x</tt> to file, for later recovery using the <tt class="tt">load</tt> command. It is similar to the <tt class="tt">pickle()</tt> function in Python. </p><p>There is no limit to the depth to which it will traverse hierarchically nested data structures, and will produce output of infinite length if there is recursive nesting. </p><p>Note that it is not able to store representations of function definitions or file handles, which are stored as null objects; class instances lose their relationship with their parents and are stored as free-standing modules. </p></div>
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