Twin directories of IO:

[DIR]  ftp://ftp.eenet.ee/pub/cpan/modules/by-module/IO/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/modules/by-category/21_File_Handle_Input_Output/IO/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/doc/manual/html/lib/IO/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/authors/id/I/IO/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/modules/by-module/IO/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/modules/by-category/21_File_Handle_Input_Output/IO/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/doc/manual/html/lib/IO/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/authors/id/I/IO/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-module/IO/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-category/99_Not_In_Modulelist/IO/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-category/21_File_Handle_Input_Output/IO/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/doc/manual/html/lib/IO/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/authors/id/I/IO/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/systems/texlive/tlnet/2008/tlpkg/installer/perllib/auto/IO/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/systems/texlive/tlnet/2008/tlpkg/installer/perllib/IO/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/CursoXML/programas/Jena-2.5.4/doc/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/official/10.1/i586/install/stage2/live/usr/lib/perl5/5.8.5/i386-linux-thread-multi/auto/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/official/10.1/i586/install/stage2/live/usr/lib/perl5/5.8.5/i386-linux-thread-multi/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/official/10.1/i586/install/stage2/live/usr/lib/perl5/5.8.5/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.0/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.0/i386-linux-thread-multi/auto/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.0/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.0/i386-linux-thread-multi/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.0/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.0/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/official/10.0/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.3/i386-linux-thread-multi/auto/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/official/10.0/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.3/i386-linux-thread-multi/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/official/10.0/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.3/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.2/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.1/i386-linux-thread-multi/auto/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.2/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.1/i386-linux-thread-multi/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.2/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.1/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.1/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.0/i386-linux-thread-multi/auto/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.1/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.0/i386-linux-thread-multi/IO/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/mandrake/9.1/i586/Mandrake/mdkinst/usr/lib/perl5/5.8.0/IO/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/modules/by-module/IO/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/modules/by-category/21_File_Handle_Input_Output/IO/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/doc/manual/html/lib/IO/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/authors/id/I/IO/
[DIR]  ftp://62.128.1.71/pub/CPAN/modules/by-module/IO/
[DIR]  ftp://62.128.1.71/pub/CPAN/authors/id/I/IO/
[DIR]  ftp://62.128.1.71/pub/CPAN/modules/by-category/21_File_Handle_Input_Output/IO/
[DIR]  ftp://62.128.1.71/pub/CPAN/doc/manual/html/lib/IO/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/modules/by-module/IO/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/modules/by-category/21_File_Handle_Input_Output/IO/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/doc/manual/html/lib/IO/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/authors/id/I/IO/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/systems/texlive/tlnet/2008/tlpkg/installer/perllib/auto/IO/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/systems/texlive/tlnet/2008/tlpkg/installer/perllib/IO/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/modules/by-module/IO/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/modules/by-category/21_File_Handle_Input_Output/IO/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/doc/manual/html/lib/IO/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/authors/id/I/IO/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/gnu/dotgnu/dotgnu/pnetlib-doc/System/IO/