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setperm

#!/usr/bin/env bash
# This script is used to set the permissions of the files in a given directory


__setperm() {

    if [ "$1" == "-h" ] || [ "$1" == "--help" ] || [ -z "$1" ]; then
        echo "Usage: setperm [user = $(whoami)] [path = .] [rwx = rwx]"
        echo "Set the permissions of the files in the specified directory"
        echo "If no path is specified, the permissions of the current directory will be changed"
        return 1
    fi

    if [ $# -eq 0 ]; then
        read -p "No arguments provided. Do you want to set the permissions of the current user ($(whoami)) on path to the current directory ($PWD) to rwx? (y/N): " confirm
        if [[ "$confirm" != [yY] ]]; then
            echo "Operation cancelled."
            return 1
        fi
    fi

    # NOTE: User is set to the current user by default
    selected_user="${1}"
    if [ -z "$selected_user" ]; then
        selected_user="$(whoami)"
    fi

    # NOTE: Path is set to the current directory by default
    selected_path="${2}"
    if [ -z "$selected_path" ]; then
        selected_path="${PWD}"
    fi

    if [ ! -e "$selected_path" ]; then
        echo "The specified path '$selected_path' does not exist!"
        return 1
    fi

    # NOTE: The permissions are set to rwx by default
    selected_perms="${3}"
    if [ -z "$selected_perms" ]; then
        selected_perms="rwx"
    fi

    if [[ ! "$selected_perms" =~ ^[r-][w-][x-]$ ]]; then
        echo "The specified permissions '$selected_perms' are not in the correct format (rwx)!"
        return 1
    fi

    sudo setfacl -R -m "u:${selected_user}:${selected_perms}" "$selected_path"
    sudo setfacl -R -m "g:${selected_user}:${selected_perms}" "$selected_path"

    echo "Permissions set successfully for user '$selected_user' in path '$selected_path'"
}

__setperm "$@"