BingConfiguration_common-parse.js

const fs = require('fs');

const xmlstr = fs.readFileSync('BingConfiguration\\BingConfiguration_common.xml').toString();

const m = xmlstr.match(/[a-z\.]+\.com/ig);

const hosts = [ ];

for (let index = 0; index < m.length; index++) {
    const element = m[index];
    
    if(!hosts.includes(element)) {
        hosts.push(element);
    }
}

const hostsLine = `127.0.0.1 ${hosts.join(' ')}`;

console.log(hostsLine);