Detect_root(sudo)_permissions.sh

#!/bin/bash

# Put this at the top of your script
# Detects if script are not running as root, if not will self invoke the script with sudo
# $0 is the script itself (or the command used to call it)...
# $* parameters...
# In both cases using double quote to prevent globbing and word splitting.

# Check if script is being run as root
if [[ $UID -ne 0 ]]; then
    # Check if sudo is installed
    if command -v sudo &>/dev/null; then
        # Re-run script with sudo
        exec sudo "$0" "$@"
    else
        # Print error message and exit
        printf "Error: sudo is not installed. Please run this script as root.\n" >&2
        exit 1
    fi
fi