const gff = require("@gmod/gff").default;
const fs = require('fs');

let items = 20;

fs.createReadStream("./ncbi_dataset/data/GCF_000157115.2/genomic.gff")
    .pipe(gff.parseStream({parseAll: true}))
    .on('data', data => {
        if (items > 0) {
            console.log(data);
            items -= 1;
        }
        else process.exit(0);
    })