Concatenate an array with itself, is a HackerRank problem from Arrays in Bash subdomain. In this post we will see how we can solve this challenge in Sh

Problem Description

Given a list of countries, each on a new line, your task is to read them into an array. Then, concatenate the array with itself (twice) - so that you have a total of three repetitions of the original array - and then display the entire concatenated array, with a space between each of the countries' ....

You can find the full details of the problem Concatenate an array with itself at HackerRank

Solution: Please check the snippet for the solution.

This solution originally posted at: Github by @srgnk