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+#!/usr/bin/env python
+# coding=utf-8
+"""This example demonstrates how to enable persistent readline history in your cmd2 application.
+
+This will allow end users of your cmd2-based application to use the arrow keys and Ctrl+r in a manner which persists
+across invocations of your cmd2 application. This can make it much easier for them to use your application.
+"""
+import cmd2
+
+
+class Cmd2PersistentHistory(cmd2.Cmd):
+ """Basic example of how to enable persistent readline history within your cmd2 app."""
+ def __init__(self):
+ """"""
+ cmd2.Cmd.__init__(self, persistent_history_file='~/.persistent_history.cmd2', persistent_history_length=500)
+
+ # ... your class code here ...
+
+
+if __name__ == '__main__':
+ app = Cmd2PersistentHistory()
+ app.cmdloop()