fs.writefile
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');
});
});
});javascript fs write file with folder
var path = require('path'),
fs = require('fs');
function ensureDirectoryExistence(filePath) {
var dirname = path.dirname(filePath);
if (fs.existsSync(dirname)) {
return true;
}
ensureDirectoryExistence(dirname);
fs.mkdirSync(dirname);
}Copyright © 2021 Codeinu
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