ftp://ftp.eenet.ee/pub/cpan/modules/by-category/21_File_Handle_Input_Output/  direct

[DIR]Timestamp/  direct  348+ twin directories
[DIR]Stream/  direct  569+ twin directories
[DIR]SelectSaver/  direct  368+ twin directories
[DIR]Logger/  direct  768+ twin directories
[DIR]Log/  direct  3264+ twin directories
[DIR]IOLayer/  direct  364+ twin directories
[DIR]IO/  direct  6412+ twin directories
[DIR]FileHandle/  direct  443+ twin directories
[DIR]FileCache/  direct  454+ twin directories
[DIR]Expect/  direct  496+ twin directories
[DIR]DirHandle/  direct  379+ twin directories
[DIR]BigIP/  direct  324+ twin directories