I believe %INC is unaffected by this execution difference. However Perl is so wonderfully introspective, I just need to ask "who called me?". If I am being executed from the command line, then nobody did!
Update: I see this post got a -1 vote. If you did that, then why don't tell us all why you did that?
Comment on Re^2: Difference between executing and "using" a .pm file