const fs = require("fs"); const url = "https://bolajiayodeji.github.io/fed-unis-perf-eval/lighthouse%20report/"; fs.readFile("text.txt", "utf8", function (err, links) { // get all text per line in links const lines = links.split("\n"); //replace spaces with %20 const linesWithSpaces = lines.map((line) => line.replace(/\s/g, "%20")); // add url to beginning of each linewithspaces const linesWithUrls = linesWithSpaces.map((line) => url + line); fs.readFile("sites.txt", "utf8", function (err, data) { // get all text per line in data concat to lineswithurls const lines = data.split("\n"); console.log(lines); console.log(linesWithUrls); const yeah = linesWithUrls.map((lines) => linesWithUrls + "/" + lines); }); });