@@ -0,0 +1,46 @@
+const fs = require("fs");
+
+const arguments = process.argv;
+const filePaths = arguments.slice(2);
+
+const index = arguments[1].lastIndexOf("/");
+const currentWorkingDirectory = arguments[1].slice(0, index + 1);
+
+let flag = filePaths[0];
+if (flag.charAt(0) == "-") {
+  flag = filePaths.shift();
+}
+
+function splitFile(fileName) {
+  const filePath = currentWorkingDirectory + fileName;
+  const text = fs.readFileSync(filePath, "utf8").trimEnd();
+  return text.split("\n");
+}
+
+function printFile(lines) {
+  lines.forEach((line) => {
+    console.log(line);
+  });
+}
+
+function executeFlag(lines) {
+  if (flag === "-n") {
+    return lines.map((line, index) => `${String(index + 1).padStart(6, " ")} ${line}`);
+  } else if (flag === "-b") {
+    let lineNumber = 1;
+    return lines.map((line) => {
+      if (line === "") {
+        return `${line}`;
+      }
+      return `${String(lineNumber++).padStart(6, " ")} ${line}`;
+    });
+  } else {
+    return lines;
+  }
+}
+
+filePaths.forEach((filePath) => {
+  let lines = splitFile(filePath);
+  lines = executeFlag(lines);
+  printFile(lines);
+});