Descargar canciones de la "Lista LOS40" - Los 40 Principales

command_generator.php

<?php

$data = json_decode(file_get_contents('./data.json'));

$result = '';
foreach ($data->songs as $song) {
    $ffmpegCommand = sprintf(
        'ffmpeg -ss %s -t %s -i {} \"%s.mp3\" && rm {}',
        $song->start,
        $song->duration,
        $song->name
    );

    $result .= sprintf(
        "youtube-dl -x --audio-format mp3 --prefer-ffmpeg --exec \"%s\" %s \n",
        $ffmpegCommand,
        $song->url
    );
}

file_put_contents('./commands.sh', $result);

data.json

{
  "dateUpdate": "2018-10-14T20:33:34+02:00",
  "songs": [
    {
      "name": "Ni La Hora - Ana Guerra, Juan Magán",
      "url": "https://www.youtube.com/watch?v=OsAcF2APchM",
      "start": "00:00:00",
      "duration": "194"
    },
    {
      "name": "Déjala Que Baile - Melendi, Alejandro Sanz, Arkano",
      "url": "https://www.youtube.com/watch?v=yda62tNSLsQ",
      "start": "00:00:17",
      "duration": "215"
    },
    {
      "name": "Fuego - Eleni Foureira",
      "url": "https://www.youtube.com/watch?v=eDSgs6syrgg",
      "start": "00:00:12",
      "duration": "181"
    },
    {
      "name": "Teléfono - Aitana",
      "url": "https://www.youtube.com/watch?v=bHTfTPIMnaw",
      "start": "00:00:03",
      "duration": "159"
    },
    {
      "name": "One Kiss - Calvin Harris, Dua Lipa",
      "url": "https://www.youtube.com/watch?v=DkeiKbqa02g",
      "start": "00:00:08",
      "duration": "211"
    },
    {
      "name": "Girls Like You - Maroon 5, Cardi B",
      "url": "https://www.youtube.com/watch?v=aJOTlE1K90k",
      "start": "00:00:00",
      "duration": "255"
    },
    {
      "name": "La llave - Pablo Alborán, Piso 21",
      "url": "https://www.youtube.com/watch?v=m3p4TX0sWqw",
      "start": "00:00:02",
      "duration": "183"
    },
    {
      "name": "Leave a Light On - Tom Walker",
      "url": "https://www.youtube.com/watch?v=nqnkBdExjws",
      "start": "00:00:13",
      "duration": "183"
    },
    {
      "name": "Cuando Nadie Ve - Morat",
      "url": "https://www.youtube.com/watch?v=szeA9tvItJY",
      "start": "00:00:01",
      "duration": "219"
    },
    {
      "name": "La Cintura - Alvaro Soler",
      "url": "https://www.youtube.com/watch?v=VrspRNubfyM",
      "start": "00:00:00",
      "duration": "203"
    },
    {
      "name": "Qué Tienes Tú - Dvicio, Mau y Ricky, Reik",
      "url": "https://www.youtube.com/watch?v=-tTZcnbwf4o",
      "start": "00:00:00",
      "duration": "208"
    },
    {
      "name": "Solo - Clean Bandit, Demi Lovato",
      "url": "https://www.youtube.com/watch?v=8JnfIa84TnU",
      "start": "00:00:00",
      "duration": "221"
    },
    {
      "name": "Gira - David Otero",
      "url": "https://www.youtube.com/watch?v=h6pgsgGOWJE",
      "start": "00:00:00",
      "duration": "220"
    },
    {
      "name": "Te esperaré toda la vida - Dani Fernández",
      "url": "https://www.youtube.com/watch?v=nUCuBrdEbUw",
      "start": "00:00:04",
      "duration": "224"
    },
    {
      "name": "Flames - David Guetta, Sia",
      "url": "https://www.youtube.com/watch?v=J75enyWdbBM",
      "start": "00:00:00",
      "duration": "193"
    },
    {
      "name": "Contradicción - Malú",
      "url": "https://www.youtube.com/watch?v=nX_r8SktAEI",
      "start": "00:00:16",
      "duration": "192"
    },
    {
      "name": "No Es Justo - J. Balvin, Zion & Lennox",
      "url": "https://www.youtube.com/watch?v=2zn4dAuZ2RU",
      "start": "00:00:11",
      "duration": "252"
    },
    {
      "name": "Él no soy yo - Blas Cantó",
      "url": "https://www.youtube.com/watch?v=yIg0uKHK8JU",
      "start": "00:00:00",
      "duration": "260"
    },
    {
      "name": "2002 - Anne-Marie",
      "url": "https://www.youtube.com/watch?v=Il-an3K9pjg",
      "start": "00:00:00",
      "duration": "185"
    },
    {
      "name": "Rise - Jonas Blue, Jack & Jack",
      "url": "https://www.youtube.com/watch?v=btrzs54s1Rc",
      "start": "00:00:02",
      "duration": "210"
    },
    {
      "name": "Usted - Juan Magan, Mala Rodríguez",
      "url": "https://www.youtube.com/watch?v=C01zDmEsSrk",
      "start": "00:00:09",
      "duration": "233"
    },
    {
      "name": "Shotgun - George Ezra",
      "url": "https://www.youtube.com/watch?v=aAiVsqfbn5g",
      "start": "00:00:11",
      "duration": "181"
    },
    {
      "name": "Promises - Calvin Harris, Sam Smith",
      "url": "https://www.youtube.com/watch?v=dTQMd2I3drE",
      "start": "00:00:01",
      "duration": "212"
    },
    {
      "name": "In My Mind - Dynoro, Gigi D'Agostino",
      "url": "https://www.youtube.com/watch?v=W9P_qUnMaFg",
      "start": "00:00:01",
      "duration": "175"
    },
    {
      "name": "1, 2, 3 - Sofia Reyes, De La Ghetto, Jason Derulo",
      "url": "https://www.youtube.com/watch?v=p03TIGqEc8o",
      "start": "00:00:00",
      "duration": "195"
    },
    {
      "name": "Loca - Sweet California",
      "url": "https://www.youtube.com/watch?v=6HeWoCcC-JM",
      "start": "00:00:00",
      "duration": "201"
    },
    {
      "name": "Clandestino - Maluma, Shakira",
      "url": "https://www.youtube.com/watch?v=1DhA69K3fZ4",
      "start": "00:00:01",
      "duration": "230"
    },
    {
      "name": "Amasijo de Huesos - Sidecars",
      "url": "https://www.youtube.com/watch?v=NCmWYFz4Whk",
      "start": "00:00:17",
      "duration": "268"
    },
    {
      "name": "Ya no quiero ná - Lola Indigo",
      "url": "https://www.youtube.com/watch?v=-dvftyeRYzM",
      "start": "00:00:00",
      "duration": "191"
    },
    {
      "name": "Lo Siento - Beret",
      "url": "https://www.youtube.com/watch?v=aYsFb7S8LFc",
      "start": "00:00:00",
      "duration": "224"
    },
    {
      "name": "Happier - Marshmello, Bastille",
      "url": "https://www.youtube.com/watch?v=RE87rQkXdNw",
      "start": "00:00:04",
      "duration": "213"
    },
    {
      "name": "A Partir De Hoy - David Bisbal, Sebastian Yatra",
      "url": "https://www.youtube.com/watch?v=Iwz4P8HfGVM",
      "start": "00:00:16",
      "duration": "194"
    },
    {
      "name": "Happier - Ed Sheeran",
      "url": "https://www.youtube.com/watch?v=zWQN7u6g62c",
      "start": "00:00:00",
      "duration": "202"
    },
    {
      "name": "Back To You - Selena Gomez",
      "url": "https://www.youtube.com/watch?v=VY1eFxgRR-k",
      "start": "00:00:41",
      "duration": "222"
    },
    {
      "name": "I'm A Mess - Bebe Rexha",
      "url": "https://www.youtube.com/watch?v=LdH7aFjDzjI",
      "start": "00:00:00",
      "duration": "195"
    },
    {
      "name": "Belerofón - Taburete",
      "url": "https://www.youtube.com/watch?v=XM5DdGkRP40",
      "start": "00:00:01",
      "duration": "213"
    },
    {
      "name": "Mad Love - Sean Paul, Becky G, David Guetta",
      "url": "https://www.youtube.com/watch?v=mlf4bidp2yc",
      "start": "00:00:00",
      "duration": "199"
    },
    {
      "name": "Lo Malo - Aitana, Ana Guerra",
      "url": "https://www.youtube.com/watch?v=qYXCsZunjRM",
      "start": "00:00:08",
      "duration": "179"
    },
    {
      "name": "Friends - Anne-Marie, Marshmello",
      "url": "https://www.youtube.com/watch?v=CY8E6N5Nzec",
      "start": "00:00:00",
      "duration": "202"
    },
    {
      "name": "These Days - Rudimental, Dan Caplen, Jess Glynne, Macklemore",
      "url": "https://www.youtube.com/watch?v=UlXPdOuNU3Q",
      "start": "00:00:00",
      "duration": "210"
    }
  ]
}