arxiv_file_namer.user.js

// ==UserScript==
// @name arXiv File Namer
// @namespace Violentmonkey Scripts
// @match https://arxiv.org/abs/*
// @grant GM_xmlhttpRequest
// @grant GM_download
// ==/UserScript==
const id = location.href.replace(/.*\//,"")
GM_xmlhttpRequest({
  method: "GET",
  responseType: "json",
  url: `https://api.altmetric.com/v1/arxiv/${id}`,
  onload: ({response}) => {
    const anchor = document.querySelector("a[href^='/pdf/']")
    const author = response.authors[0].replace(/.* /,"")
    const published_on = new Date(response.published_on * 1000)
    const url = anchor.href
    const year = published_on.getFullYear()
    const name = `${author}${year}.pdf`
    anchor.onclick = () => {
      GM_download(url, name)
      return false
    }
  }
})

google_scholar_file_namer.js

// ==UserScript==
// @name Google Scholar File Namer
// @namespace Violentmonkey Scripts
// @match https://scholar.google.co.jp/*
// @grant GM_download
// ==/UserScript==


// https://github.com/ekmartin/bibtex-search/blob/d6cbf6061d1b128a699071e4073e6d61943385aa/index.js#L103-L114
document.querySelectorAll("span+a[data-clk-atid],a[data-clk-atid]:not([id])").forEach((anchor)=>{
  const id = anchor.dataset.clkAtid
  const info = document.querySelector(`div[data-cid="${id}"] .gs_a`).innerText
  const author = info.split(/\s-\s/)[0].split(",")[0].replace(/.* /,"")
  const year = info.match(/(?:19|20)\d\d/)[0]
  const name = `${author}${year}.pdf`
  const url = anchor.href
  anchor.parentNode.setAttribute("ontouchstart", null)
  anchor.onclick = () => {
    GM_download(url, name)
    return false
  }
})