libgraphics-gnuplotif-perl software package provides dynamic Perl interface to gnuplot, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgraphics-gnuplotif-perl
libgraphics-gnuplotif-perl is installed in your system.
Make ensure the libgraphics-gnuplotif-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgraphics-gnuplotif-perl *
You will get with libgraphics-gnuplotif-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libgraphics-gnuplotif-perl |
| Version | 1.6-1 |
| Description | dynamic Perl interface to gnuplot |
| Sub Section | Perl |