Checks and installs dependencies

check_depend.sh

#!/bin/bash

requires=(helm kubectl testscript anothertest)

function check_dependencies() {
    for item in "${requires[@]}"; do
        if [ -z $(which $item) ]; then
            echo "[Alert] $item: not found"
        else
            echo "$item: installed"
        fi
    done
}

function install_missing_dependencies() {
    for item in "${requires[@]}"; do
        if ! which $item >/dev/null; then
            echo -e "$item not found! Install? (y/n) \c"
            read
            if [ "$REPLY" == "y" ]; then
                sudo apt-get install $item -y
            fi
        fi
    done
}

install_missing_dependencies
check_dependencies