Appropriate error code is added when program is exit

README.md

@@ -40,4 +40,6 @@ Help:
 
 - Network code is optimized to only request headers
 
+- Appropriate error code is printed when program exits. If there are no errors meaning all links are good,the program exits with 0. Otherwise, exits with a non-zero exit code.
+
 For examples please visit https://medium.com/@egrinberg/cli-utest-19f1429a8de4

Utest.js

@@ -62,6 +62,15 @@ function printResponse(data) {
   }
 }
 
+function checkStatus(data) {
+  for (var item of data) {
+    if (item.status == 400 || item.status == 404 || item.status == "UNKNOWN") {
+      return 1;
+    }
+  }
+  return 0;
+}
+
 s.on("end", async () => {
   var jsonResponse = [];
   var jsonU;
@@ -85,4 +94,10 @@ s.on("end", async () => {
   } else {
     printResponse(jsonResponse);
   }
+  //var errCode=checkStatus(jsonResponse);
+  //console.log(checkStatus(jsonResponse));
+  process.exit(checkStatus(jsonResponse));
+});
+process.on("exit", function (code) {
+  return console.log(`About to exit with code ${code}`);
 });

file2.txt

@@ -0,0 +1,2 @@
+https://www.google.com
+http://seneca.ca