今天用CPAN安装Term::ReadLine，报了个这样的错误

Going to read /root/.cpan/sources/modules/03modlist.data.gz
Cant locate object method "data" via package "CPAN::Modulelist" (perhaps you forgot to load "CPAN::Modulelist"?) at (eval 31) line 1.
at /usr/lib/perl5/5.8.5/CPAN.pm line 3406
CPAN::Index::rd_modlist(CPAN::Index, /root/.cpan/sources/modules/03modlist.data.gz) called at /usr/lib/perl5/5.8.5/CPAN.pm line 3129
CPAN::Index::reload(CPAN::Index) called at /usr/lib/perl5/5.8.5/CPAN.pm line 675
CPAN::exists(CPAN=HASH(0x9c79658), CPAN::Module, Term::ReadLine) called at /usr/lib/perl5/5.8.5/CPAN.pm line 1842
CPAN::Shell::expandany(CPAN::Shell, Term::ReadLine) called at /usr/lib/perl5/5.8.5/CPAN.pm line 2078
CPAN::Shell::rematein(CPAN::Shell, install, Term::ReadLine) called at /usr/lib/perl5/5.8.5/CPAN.pm line 2165
CPAN::Shell::install(CPAN::Shell, Term::ReadLine) called at /usr/lib/perl5/5.8.5/CPAN.pm line 201 eval {...} called at /usr/lib/perl5/5.8.5/CPAN.pm line 201 CPAN::shell() called at -e line 1

google结果有人是这样解决的

rm -rf ~/.cpan
删除后在perl -MCPAN -e shell中执行reload index
然后执行install Bundle::CPAN
最后执行reload CPAN即可正常通过命令行install MODULES

我按照这个做，结果reload index执行都报错，继续google，发现应该是Config.pm的问题，重新配置

cpan> o conf urllist unshift ps
cpan> o conf commit

然后再执行上面的reload index之后的步骤就OK了。

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