complexity command not found

In this troubleshooting guide we learn how to fix complexity command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

complexity: command not found

or when using sudo you get the following error message

sudo: complexity: command not found

In Ubuntu complexity is provided by complexity package.

complexity is:

Complexity measurement tool help to:

locate suspicious areas in unfamiliar code
get an idea of how much effort may be required to understand that code
get an idea of the effort required to test a code base
provide a reminder to yourself. You may see what you’ve written as obvious, but others may not.

Comparing with existing tool McCabe, this program improves scoring of following language constructs:

To fix this problem, we can install more using the command below.

sudo apt-get -y install complexity

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install complexity.

sudo apt -y install complexity

Or if you have aptitude installed you can use the following command.

sudo aptitude install complexity

In this tutorial we learn how to fix complexity command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.