data not write in file node js
const fs = require('fs');
fs.readFile('file.txt', 'utf-8', (err, data) => {
if(err) {
throw err;
}
console.log(data);
});data not write in file node js
const fs = require('fs');
fs.readFile('file.txt', 'utf-8', (err, data) => {
if(err) {
throw err;
}
console.log(data);
});writefile in node js
// 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');
});
});
});Copyright © 2021 Codeinu
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