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!');javascript write to text file
function WriteToFile(passForm) {
set fso = CreateObject("Scripting.FileSystemObject");
set s = fso.CreateTextFile("<your Path>/filename.txt", True);
var firstName = document.getElementById('FirstName');
var lastName = document.getElementById('lastName');
s.writeline("First Name :" + FirstName);
s.writeline("Last Name :" + lastName);
s.writeline("-----------------------------");
s.Close();
}
// HTML
<form onSubmit="WriteToFile(this)">
<label>Type your first name:</label>
<input type="text" name="FirstName" id="firstName" size="20">
<label>Type your last name: </abel>
<input type="text" name="LastName" id="lastName" size="20">
<input type="submit" value="submit">
</form>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');
});
});
});writing files in javascript
'use strict'
const fs = require('fs');
let fileContent = 'I can write';
fs.writeFileSync('message.txt', fileContent);javascript write to file
<script>
// Requiring fs module in which
// writeFile function is defined.
const fs = require('fs')
// Data which will write in a file.
let data = "Learning how to write in a file."
// Write data in 'Output.txt' .
fs.writeFile('Output.txt', data, (err) => {
// In case of a error throw err.
if (err) throw err;
})
</script>Copyright © 2021 Codeinu
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