c:\@Work\Perl\monks\Anonymous Monk\1173958>perl sort_by_ver_latest_3.pl
[
  "samba-common-libs-4.2.12-7.el7_2.x86_64",
  "abc-4.2.11-10.el7_2.x86_64",
  "xyz-libs-4.2.13-7.el7_2.x86_64",
]
ok 1 - extracted by most recent version
1..1
ok 2 - no warnings
1..2