writeFileSync
var fs = require('fs'); // Save the string "Hello world!" in a file called "hello.txt" in // the directory "/tmp" using the default encoding (utf8). // This operation will be completed in background and the callback // will be called when it is either done or failed. fs.writeFile('/tmp/hello.txt', 'Hello world!', function(err) { // If an error occurred, show it and return if(err) return console.error(err); // Successfully wrote to the file! }); // Save binary data to a file called "binary.txt" in the current // directory. Again, the operation will be completed in background. var buffer = new Buffer([ 0x48, 0x65, 0x6c, 0x6c, 0x6f ]); fs.writeFile('binary.txt', buffer, function(err) { // If an error occurred, show it and return if(err) return console.error(err); // Successfully wrote binary contents to the file! });
