rename files in folder
const fs = require('fs');
var path = require("path");
let files = fs.readdirSync('./'); // get all files
files = files.filter(f => /^[1-9]{1}[.]/g.test(f)); // filter
const filesToRename = files.map(f => { // map
return {
name: path.resolve(f),
new: path.resolve(0 + f)
}
});
filesToRename.forEach(f => {
fs.renameSync(f.name, f.new); // execute
})