Read File In Chunk Formate

 


const fs = require('fs');

async function readFileInChunks(filePath, chunkSize = 1024) {
    const stream = fs.createReadStream(filePath, { highWaterMark: chunkSize });
    let data='';
    // Make the stream async iterable
    for await (const chunk of stream) {
        data=data+chunk.toString();
        console.log('Chunk:', chunk.toString()); // process chunk
    }
    return data
}

readFileInChunks('test.txt').then((data)=>{

    console.log("=====Covid.csv data========");
    console.log(data);
    console.log("=====Covid.csv data========");

}); // replace with your file path




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