Node.js Stream readable.setEncoding() Method
Last Updated :
12 Oct, 2021
The readable.setEncoding() method in a Readable Stream is used to set the encoding of the data read.
Syntax:
readable.setEncoding( encoding )
Parameters: This method accepts single parameter encoding which holds the encoding type.
Return Value: It returns the data in the encoded form.
Below examples illustrate the use of readable.setEncoding() method in Node.js:
Example 1:
const fs = require('fs');
const readable = fs.createReadStream("input.txt");
readable.setEncoding('hex');
readable.on('data', (chunk) => {
console.log(`${chunk}`);
});
console.log("Program ends!!");
|
Output:
Program ends!!
48656c6c6f
Example 2:
const fs = require('fs');
const readable = fs.createReadStream("input.txt");
readable.setEncoding('base64');
readable.on('data', (chunk) => {
console.log(`${chunk}`);
});
console.log("Program ends!!");
|
Output:
Program ends!!
SGVs
bG8=
Reference: https://nodejs.org/api/stream.html#stream_readable_setencoding_encoding
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