Bash Script Template

TEMPLATE-bash-very-nice.sh

#!/usr/bin/env bash

die() {
	echo "[-] Error: $1" >&2
	exit 1
}

PROGRAM="${0##*/}"
ARGS=( "$@" )
SELF="${BASH_SOURCE[0]}"
[[ $SELF == */* ]] || SELF="./$SELF"
SELF="$(cd "${SELF%/*}" && pwd -P)/${SELF##*/}"
[[ ${BASH_VERSINFO[0]} -ge 4 ]] || die "bash ${BASH_VERSINFO[0]} detected, when bash 4+ required"
[[ $UID == 0 ]] || exec sudo -p "[?] $PROGRAM must be run as root. Please enter the password for %u to continue: " -- "$BASH" -- "$SELF" "${ARGS[@]}"

type curl >/dev/null || die "Please install curl and then try again."
type jq   >/dev/null || die "Please install jq and then try again."

set -e

read -p "[?] Please enter XXXXXXXXX: " -r VAR

printf "this:\t%s\n" "${VAR}"