const fs = require('fs'); const path = require('path'); const paths = [ path.join(__dirname, 'public', 'Eve', 'EVE.obj'), path.join(__dirname, 'Eve', 'EVE.obj') ]; paths.forEach(p => { const newPath = p + '.bin'; if (fs.existsSync(p)) { fs.renameSync(p, newPath); console.log(`Renamed: ${p} -> ${newPath}`); } else { console.log(`Not found: ${p}`); } });