file distribution of DTD files remaining

files.js

'use strict';
const execSync = require('child_process').execSync;

const fs = require('fs');

let data = fs.readFileSync('./gh-pages/data/M1/snapshot.json');
let snapshot = JSON.parse(data);

let dtdEntities = new Set();

for (let entry of snapshot.data) {
  if (entry.type !== "dtd") {
    continue;
  }
  dtdEntities.add(entry.id);
}

let files = {};

for (let id of dtdEntities) {
  if (id == "brandShortName") {
    continue;
  }
  let result = execSync(`rg "${id}" -g "*.dtd" ~/projects/mozilla-unified -l`).toString().trim();
  console.log('====');
  console.log(id);
  console.log(result);
  if (files[result]) {
    files[result] += 1;
  } else {
    files[result] = 1;
  }
}

for (let key in files) {
  console.log(`${key}: ${files[key]}`);
}
console.log(Object.keys(files).length);