yt_mp3.cmd

@echo off
setlocal enableDelayedExpansion

:: script globals
set url="%1=%2"
SET me=%~n0.cmd

goto start_application
exit /B %errorlevel%

:start_application
call :find_ytdl
if !errorlevel! neq 0 (exit /b 1)
call :find_ffmpeg
if !errorlevel! neq 0 (exit /b 1)
call :echo Trying to get !url!
youtube-dl --extract-audio --audio-quality 0 --audio-format mp3 --output "%USERPROFILE%\Music\%%(title)s.%%(ext)s" !url!
goto :eof

:find_ytdl
where youtube-dl > nul
if %errorlevel% neq 0 (
    call :echo Could not locate youtube-dl binary in PATH
    exit /B 1
) else (
    call :echo Found youtube-dl^!
    exit /B 0
)
exit /B 0

:find_ffmpeg
where youtube-dl > nul
if %errorlevel% neq 0 (
    call :echo Could not locate ffmpeg binary in PATH
    exit /B 1
) else (
    call :echo Found ffmpeg^!
    exit /B 0
)
exit /B 0

:echo
ECHO [%me%] %*
EXIT /B 0

endlocal