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u� Implementation of the UUencode and UUdecode functions.
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Xn X| j | � | j � } q�W| s�t d � � n Wd x | D] } | j � q�WXd S( u Decode uuencoded fileu -u rbu' No valid begin line found in input files begins i i i i i s
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r�t | t � r�t | d � } q�t t j d d � t j d � n t | | � d S( u uuencode/uudecode main programi Nu usageu' usage: %prog [-d] [-t] [input [output]]u -du --decodeu destu decodeu helpu Decode (instead of encode)?u defaultu actionu
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