libgraph-readwrite-perl software package provides module for reading and writing directed graphs, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgraph-readwrite-perl
libgraph-readwrite-perl is installed in your system.
Make ensure the libgraph-readwrite-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgraph-readwrite-perl *
You will get with libgraph-readwrite-perl package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Perl |
| Package | libgraph-readwrite-perl |
| Version | 2.06-1 |
| Description | module for reading and writing directed graphs |
| Sub Section | Perl |