Writing files in Node.js
const fs = require('fs'); fs.writeFile("/tmp/test", "Hey there!", function(err) { if(err) { return console.log(err); } console.log("The file was saved!"); }); // Or fs.writeFileSync('/tmp/test-sync', 'Hey there!');
Writing files in Node.js
const fs = require('fs'); fs.writeFile("/tmp/test", "Hey there!", function(err) { if(err) { return console.log(err); } console.log("The file was saved!"); }); // Or fs.writeFileSync('/tmp/test-sync', 'Hey there!');
node js write file
// fs_write.js const fs = require('fs'); // specify the path to the file, and create a buffer with characters we want to write let path = 'ghetto_gospel.txt'; let buffer = new Buffer('Those who wish to follow me\nI welcome with my hands\nAnd the red sun sinks at last'); // open the file in writing mode, adding a callback function where we do the actual writing fs.open(path, 'w', function(err, fd) { if (err) { throw 'could not open file: ' + err; } // write the contents of the buffer, from position 0 to the end, to the file descriptor returned in opening our file fs.write(fd, buffer, 0, buffer.length, null, function(err) { if (err) throw 'error writing file: ' + err; fs.close(fd, function() { console.log('wrote the file successfully'); }); }); });
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