#!/bin/bash if ! command -v shellcheck > /dev/null; then did_install=0 if [[ "$OSTYPE" == "linux-gnu"* ]]; then sudo apt update > /dev/null && sudo apt install shellcheck > /dev/null; did_install=1 elif [[ "$OSTYPE" == "darwin"* ]]; then brew install shellcheck did_install=1 fi if [[ "$did_install" == 1 ]]; then echo "Installed Shellcheck" else echo "Did NOT install Shellcheck" fi fi