Slice an Array#

Problem#

Given a list of countries, each on a new line, your task is to read them into an array. Then slice the array and display only the elements lying between positions \(3\) and \(7\), both inclusive. Indexing starts from from \(0\).

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 sliced portion of the 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#

Netherlands NewZealand Nicaragua Niger Nigeria

Explanation#

We displayed the sliced portion of the array.

Solution#

slice-an-array.sh#

#!/usr/bin/env bash

declare -a country_array

# shellcheck disable=SC2162
while IFS= read -r array_line || [[ -n "$array_line" ]]; do
    country_array+=("${array_line}")
done

for i in 3 4 5 6 7; do
    printf "%s " "${country_array[$i]}"
done

Section author: Xander Harris xandertheharris@gmail.com

Slice an Array

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