ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/gnu/usr.bin/perl/library/  direct

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[DIR]attrs/  direct  1300+ twin directories
[DIR]Thread/  direct  1712+ twin directories
[DIR]Syslog/  direct  576+ twin directories
[DIR]SysV/  direct  705+ twin directories
[DIR]Socket/  direct  3332+ twin directories
[DIR]SDBM_File/  direct  881+ twin directories
[DIR]Peek/  direct  369+ twin directories
[DIR]POSIX/  direct  1721+ twin directories
[DIR]Opcode/  direct  878+ twin directories
[DIR]NDBM_File/  direct  849+ twin directories
[DIR]IO/  direct  6412+ twin directories
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[DIR]Fcntl/  direct  1478+ twin directories
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[DIR]DB_File/  direct  1204+ twin directories
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[DIR]B/  direct  3998+ twin directories
[DIR]Attic/  direct  65535+ twin directories