const fs = require('fs'); fs.readFile('/Users/joe/test.txt', 'utf8' , (err, data) => { if (err) { console.error(err); return } console.log(data); });
fs.readFile('filename', function read(err, data) { if (err) { throw err; } var content = data; console.log(content); });
const fs = require('fs') try { const data = fs.readFileSync('/Users/joe/test.txt', 'utf8') console.log(data) } catch (err) { console.error(err) }
// macOS, Linux, and Windows fs.readFileSync('<directory>'); // => [Error: EISDIR: illegal operation on a directory, read <directory>] // FreeBSD fs.readFileSync('<directory>'); // => <data>
fs.readFile('/etc/passwd', 'utf8', callback);