jsha · April 6, 2016 22:25 · Apr 6, 2016
diff --git a/fetchtest.go b/fetchtest.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"sync"
+)
+
+var parallel = flag.Int("parallel", 5, "parallel requests")
+
+func main() {
+	flag.Parse()
+	names := make(chan string)
+	wg := sync.WaitGroup{}
+	for i := 0; i < *parallel; i++ {
+		go func() {
+			for name := range names {
+				_, err := http.Get("https://" + name + "/")
+				if err != nil {
+					fmt.Printf("%s: %s\n", name, err)
+				}
+				wg.Done()
+			}
+		}()
+	}
+	reader := bufio.NewScanner(os.Stdin)
+	for reader.Scan() {
+		name := reader.Text()
+		if name != "" {
+			wg.Add(1)
+			names <- name
+		}
+	}
+	close(names)
+	wg.Wait()
+}