$ cpan
CPAN.pm panic Found Invalid lockfile '~/.cpan/.lock" please remove. Cannot proceed

##</code><code>##

$cpan
Terminal does not support AddHistory
CPAN: Time::HiRes loaded ok (v1.9726)
Could not lock lockfile with flock: No such file or directory; retrying

##</code><code>##

$ cpan -i Array::Utils
....some loading messages...
Waiting for a read lock on '/~/.cpan/FTPstats.yml'