fs.readfile
const fs = require('fs');
fs.readFile('/Users/joe/test.txt', 'utf8' , (err, data) => {
if (err) {
console.error(err);
return
}
console.log(data);
});const fs = require('fs')
const content = 'Some content!'
fs.writeFile('/Users/joe/test.txt', content, err => {
if (err) {
console.error(err)
return
}
//file written successfully
})var content;
fs.readFile('./Index.html', function read(err, data) {
if (err) {
throw err;
}
content = data;
});
console.log(content);fs.readFile('filename', function read(err, data) {
if (err) {
throw err;
}
var content = data;
console.log(content);
});fs.readFile('/etc/passwd', (err, data) => {
if (err) throw err;
console.log(data);
});
var fs = require('fs');
module.exports = {
parseFile: function(file_path, callback) {
fs.readFile(file_path.toString(), 'utf-8', function(err, data) {
if (err) return callback(err);
callback(null, data);
});
}
}
// much shorter version
exports.parseFile = function(file_path, callback) {
fs.readFile(file_path.toString(), 'utf-8', callback);
}