beastsaber download.js

// https://bsaber.com/songs/top/page/2/?time=3-months&difficulty=expert-plus&ranked=false#038;difficulty=expert-plus&ranked=false

function getTitle(node) {
    let artist = node.querySelector('.mapper_id').innerText;
    let song = node.querySelector('.entry-title').innerText;

    return `${artist} (${song})`.replace(/[^().-_a-z0-9[\] ]+/ig, '');
}

function getFile(node) {
    return node.querySelector('.-download-zip').href;
}

downloadLogfile = 'log.txt';
songs = Array.from(document.querySelectorAll('article.post'));
files = songs.map((song) => ({title: getTitle(song), zip: getTitle(song) + '.zip', download: getFile(song)}))
downloads = files.map(({zip, download}) => `wget "${download}" -O "${zip}" -o ${downloadLogfile}`)
unzip = files.map(({zip, title}) => `unzip "${zip}" -d "${title}"`)
remove = files.map(({zip}) => `rm "${zip}"`)

console.log(
    downloads.concat('wait;').join(' & \\\n') + '\n\n' +
    unzip.concat('wait;').join(' & \\\n') + '\n\n' +
    remove.concat(['rm ' + downloadLogfile, 'wait;']).join(' & \\\n')
);