nn() {
    local NOTE_FILE=$HOME/.notes
    #if file doesn't exist, create it
    [[ -f "$NOTE_FILE" ]] || touch "$NOTE_FILE"

    #no arguments, edit file
    if [[ -z "$1" ]]; then
       vim "+set number" "$NOTE_FILE"
    elif (( $1 )); then tail -"$1" "$NOTE_FILE"
    elif [[ "$1" == "-s" ]]; then /bin/grep -E --color=always -i -C 1 "$2" "${NOTE_FILE}"
    elif [[ "$1" == "-h" || $1 == "--help" ]]; then
        printf "nn [options|note]: Make quick notes\n"
        printf "Options: <note>\t\twrite <note> to '${NOTE_FILE}'\n"
        printf "\t\t\tshow '${NOTE_FILE}'\n"
        printf "\t<number>\tshow last <number> lines of '${NOTE_FILE}'\n"
        printf "\t-s <regex>\tsearch '${NOTE_FILE}' for <regex>\n"
    #append all arguments to file
    else
        echo ">> '$@'" >> "$NOTE_FILE"
    fi
}