1. Reading file
const fs = require('fs');
fs.readFile("/tmp/test.txt", "utf8", (err, data) => {
console.log(data);
});
-
fs.readFile(
- reads file and returns data in callback function, -
/tmp/test.txt
- path to text file to read, -
utf8
- encoding to read text in, -
console.log(data)
- log date from file to console.
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2. Writing file
const fs = require('fs');
fs.writeFile('/tmp/test.txt', 'hi!', (err, data) => {
console.log(err);
});
-
require('fs')
- library to work with file system, -
/tmp/test.txt
- path of file to write, -
'hi!'
- Data to write to file, -
console.log(err)
- if err is not null, something wrong happened, -
fs.writeFile(
- writes given data to specified file.
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