$ ./coremodule-history.pl File::Spec
File::Spec version(s): 
    0.6 in perl 5.00405
    0.8 in perl 5.00504
    0.86 in perl 5.006002
    3.05 in perl 5.008007

$ ./coremodule-history.pl Test::More
Test::More version(s): 
    unknown version in perl 5.00405
    unknown version in perl 5.00504
    0.47 in perl 5.006002
    0.54 in perl 5.008007

$ ./coremodule-history.pl CGI
CGI version(s): 
    2.42 in perl 5.00405
    2.46 in perl 5.00504
    2.752 in perl 5.006002
    3.10 in perl 5.008007

$ ./coremodule-history.pl DBI
DBI: never released in core