do shell script shellPath & "cd " & quoted form of downloadsFolder_Path & " ; export LC_CTYPE=UTF-8 ; " & DL_Use_YTDLP & " --get-filename --ignore-errors " & YTDL_no_playlist & DL_Playlist_Items_Spec & YTDL_format_pref & YTDL_credentials & YTDL_Use_Proxy & YTDL_Use_Cookies & simulate_YTDL_output_template & " " & URL_user_entered_clean_quoted & " 2>&1 &>" & YTDL_simulate_file & " ; exit 0"