Read in an Array – HackerRank Solution

In this post, we will solve Read in an Array HackerRank Solution. This problem (Read in an Array) is a part of Linux Shell series.

Task

Given a list of countries, each on a new line, your task is to read them into an array and then display the entire array, with a space between each of the countries’ names.

Input Format

A list of country names. The only characters present in the country names will be upper or lower case characters and hyphens.

Output Format

Display the entire array of country names, with a space between each of them.

Sample Input

Namibia
Nauru
Nepal
Netherlands
NewZealand
Nicaragua
Niger
Nigeria
NorthKorea
Norway

Sample Output

Namibia Nauru Nepal Netherlands NewZealand Nicaragua Niger Nigeria NorthKorea Norway

Explanation

The entire array has been displayed.

Solution – Read in an Array – HackerRank Solution

#Given a list of countries, each on a new line, your task is to read them into an array and then display the entire array, with a space between each of the countries' names.
while read line
do
    arr=(${arr[@]} $line)
done

echo ${arr[@]}

Note: This problem (Read in an Array) is generated by HackerRank but the solution is provided by CodingBroz. This tutorial is only for Educational and Learning purpose.