#!/bin/bash check() { if $1; then printf >&2 "${GREEN_FG}✔ $2${BLUE_FG} is ${GREEN_FG}installed${BLUE_FG}.\n" else printf >&2 "${RED_FG}✘ $2${YELLOW_FG} is ${RED_FG}not installed${YELLOW_FG}! \n" error=1 fi } check_cmd() { check "$(command -v $1 >/dev/null 2>&1)" $2 }