perl + cpan 使用與安裝

安裝
   方式一:
      perl -MCPAN -e 'install File::Tail'

   方式二:
      perl -MCPAN -e shell
      cpan> install File::Tail

   方式三:
      cpan
      cpan> install File::Tail

   方式四:

      cpan2rpm -i File::Tail

      cpan2rpm -i http://xxx/File-Tail.tar.gz

查尋有關File::Tail模組:
   cpan> d /File::Tail/

重新 配置cpan:
   cpan> o conf init
   cpan> reload index
　

驗證有沒有裝上 –added – 2008/03/07
   perl -e 'require Mail::SPF::Query'