cpanplus software package provides virtual package provided by libcpanplus-perl, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cpanplus
cpanplus is installed in your system.
Make ensure the cpanplus package were installed using the commands given below,
$ sudo dpkg-query -l | grep cpanplus*
You will get with cpanplus package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Virtual packages |
| Package | cpanplus |
| Version | |
| Description | virtual package provided by libcpanplus-perl |
| Sub Section | Virtual |