libghc-readargs-dev software package provides simple command-line argument parsing, 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 libghc-readargs-dev
libghc-readargs-dev is installed in your system.
Make ensure the libghc-readargs-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-readargs-dev *
You will get with libghc-readargs-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Haskell |
| Package | libghc-readargs-dev |
| Version | 1.2.1-2build1 |
| Description | simple command-line argument parsing |
| Sub Section | Haskell |