"node js write file" Code Answer's
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writefile in node js
// writefile.js
const fs = require('fs');
let lyrics = 'But still I\'m having memories of high speeds when the cops crashed\n' +
'As I laugh, pushin the gas while my Glocks blast\n' +
'We was young and we was dumb but we had heart';
// write to a new file named 2pac.txt
fs.writeFile('2pac.txt', lyrics, (err) => {
// throws an error, you could also catch it here
if (err) throw err;
// success case, the file was saved
console.log('Lyric saved!');
});
Source: stackabuse.com
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');
});
});
});
writefile in node js
// write_stream.js
const fs = require('fs');
let writeStream = fs.createWriteStream('secret.txt');
// write some data with a base64 encoding
writeStream.write('aef35ghhjdk74hja83ksnfjk888sfsf', 'base64');
// the finish event is emitted when all data has been flushed from the stream
writeStream.on('finish', () => {
console.log('wrote all data to file');
});
// close the stream
writeStream.end();
Source: stackabuse.com
fs writefile node
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
})
Source: nodejs.dev
writefile in node js
// append_file.js
const fs = require('fs');
// add a line to a lyric file, using appendFile
fs.appendFile('empirestate.txt', '\nRight there up on Broadway', (err) => {
if (err) throw err;
console.log('The lyrics were updated!');
});
Source: stackabuse.com
writefile in node js
fs.writeFile('2pac.txt', 'Some other lyric', 'ascii', callback);
Source: stackabuse.com
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