readfilesync
const fs = require('fs')
try {
const data = fs.readFileSync('/Users/joe/test.txt', 'utf8')
console.log(data)
} catch (err) {
console.error(err)
}
readfilesync
const fs = require('fs')
try {
const data = fs.readFileSync('/Users/joe/test.txt', 'utf8')
console.log(data)
} catch (err) {
console.error(err)
}
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!');
nodejs readfile
const fs = require('fs');
fs.readFile('/Users/joe/test.txt', 'utf8' , (err, data) => {
if (err) {
console.error(err);
return
}
console.log(data);
});
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)
}
})
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>
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