There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

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[  1248] By: autrijus                              on 2002/10/07  14:07:23
        Log: * perlio-via-chop, version 0.01.
	   + Makefile.PL README chop.pm t/1-basic.t