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const fs = require('fs')
//get stream data.
const readStream = fs.createReadStream('./streamText.txt')
readStream.on('data', (chunk) =>{
console.log(chunk);
})
//pause stream after 25 ms
setTimeout(()=>{
readStream.pause();
console.log('Stream is pause');
}, 25)
//resume stream after 5 second.
setTimeout(() => {
readStream.resume()
console.log('Resume stream.');
}, 5000);