node file code example
Example 1: 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!');
Example 2: read file in nodejs using fs
let myFile = "./myText.txt";
const fs = require("fs");
app.all('/test', async (req, res) => {
try {
const readData = fs.readFileSync(myFile, 'utf8');
if (readData) {
res.send(readData)
}
} catch (error) {
res.send("something is wrong", error)
}
})
Example 3: 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
})
Example 4: fs.readfile
fs.readFile('filename', function read(err, data) {
if (err) {
throw err;
}
var content = data;
console.log(content);
});
Example 5: writefile in node js
fs.writeFile('2pac.txt', 'Some other lyric', 'ascii', callback);
Example 6: fs readfile encoding
fs.readFile('/etc/passwd', 'utf8', callback);