ふと思うことがあり、 Coro http://search.cpan.org/dist/Coro/　を使ってみようと思い、cygwin perl を叩いてみると・・・

おや？ v1.9402 ってちょっと古いような感じがします。Coro を使うより先に更新します。

確認してみると現行は v1.9800 です。　http://search.cpan.org/~andk/CPAN-1.9800/lib/CPAN.pm

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insall CPAN

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あ！ script コマンドでログるのを忘れてたので、再度。 install CPAN で update 状況を確認。

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cpan[2]> install CPAN
Reading '/home/yukio/.cpan/Metadata'
  Database was generated on Thu, 13 Oct 2011 09:29:45 GMT
Fetching with LWP:
http://www.perl.org/CPAN/authors/01mailrc.txt.gz
Constant subroutine YAML::VALUE redefined at /usr/lib/perl5/5.10/constant.pm line 115.
Subroutine Dump redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 25.
Subroutine Load redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 32.
Subroutine DumpFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 47.
Subroutine LoadFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 66.
Subroutine init_action_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 80.
Subroutine Bless redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 93.
Subroutine Blessed redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 97.
Subroutine global_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 101.
Reading '/home/yukio/.cpan/sources/authors/01mailrc.txt.gz'
............................................................................DONE
Fetching with LWP:
http://www.perl.org/CPAN/modules/02packages.details.txt.gz
Constant subroutine YAML::VALUE redefined at /usr/lib/perl5/5.10/constant.pm line 115.
Subroutine Dump redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 25.
Subroutine Load redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 32.
Subroutine DumpFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 47.
Subroutine LoadFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 66.
Subroutine init_action_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 80.
Subroutine Bless redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 93.
Subroutine Blessed redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 97.
Subroutine global_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 101.
Constant subroutine YAML::VALUE redefined at /usr/lib/perl5/5.10/constant.pm line 115.
Subroutine Dump redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 25.
Subroutine Load redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 32.
Subroutine DumpFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 47.
Subroutine LoadFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 66.
Subroutine init_action_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 80.
Subroutine Bless redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 93.
Subroutine Blessed redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 97.
Subroutine global_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 101.
Reading '/home/yukio/.cpan/sources/modules/02packages.details.txt.gz'
  Database was generated on Thu, 13 Oct 2011 09:29:45 GMT
............................................................................DONE
Fetching with LWP:
http://www.perl.org/CPAN/modules/03modlist.data.gz
Constant subroutine YAML::VALUE redefined at /usr/lib/perl5/5.10/constant.pm line 115.
Subroutine Dump redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 25.
Subroutine Load redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 32.
Subroutine DumpFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 47.
Subroutine LoadFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 66.
Subroutine init_action_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 80.
Subroutine Bless redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 93.
Subroutine Blessed redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 97.
Subroutine global_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 101.
Constant subroutine YAML::VALUE redefined at /usr/lib/perl5/5.10/constant.pm line 115.
Subroutine Dump redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 25.
Subroutine Load redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 32.
Subroutine DumpFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 47.
Subroutine LoadFile redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 66.
Subroutine init_action_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 80.
Subroutine Bless redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 93.
Subroutine Blessed redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 97.
Subroutine global_object redefined at /usr/lib/perl5/vendor_perl/5.10/YAML.pm line 101.
Reading '/home/yukio/.cpan/sources/modules/03modlist.data.gz'
............................................................................DONE
Writing /home/yukio/.cpan/Metadata
CPAN is up to date (1.9800).

cpan[3]>

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大丈夫でしたね。
以上