File Stream Data, End, Error
let fs=require('fs');
let createReadStream=fs.createReadStream("test.txt");
//let createReadStream=fs.createReadStream("test2.txt");
createReadStream.setEncoding('utf-8');
createReadStream.on('data',(chunk)=>{
console.log(chunk);
});
createReadStream.on('end',(chunk)=>{
console.log("File Read Success.");
});
createReadStream.on('error',(chunk)=>{
console.log("File Read Problem. File Not Found.");
});
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