cpan
o conf urllist
[download]

You can change the values with Perl's array keywords:

o conf urllist splice 1, 3
o conf urllist push 'http://mirror.cpan.org'
[download]

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,
[download]