Change: fetch URL, print on stdout

1 files changed, 25 insertions, 6 deletions

diff --git a/ickadmin.go b/ickadmin.go
index 9000591..c6593a5 100644
--- a/ickadmin.go
+++ b/ickadmin.go
@@ -3,15 +3,34 @@ package main
 import (
 	"flag"
 	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
 )
 
 func main() {
-	var greeting string
-	var greetee string
-
-	flag.StringVar(&greeting, "greeting", "hello", "what greeing to use?")
-	flag.StringVar(&greetee, "greetee", "world", "who should be greeted?")
+	var url string
 
+	flag.StringVar(&url, "url", "", "what URL to retrieve?")
 	flag.Parse()
-	fmt.Println(greeting + ",", greetee)
+
+	if url == "" {
+		fmt.Fprintf(os.Stderr, "MUST give URL\n")
+		os.Exit(1)
+	}
+
+	resp, err := http.Get(url)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "fetch: %v\n", err)
+		os.Exit(1)
+	}
+
+	b, err := ioutil.ReadAll(resp.Body)
+	resp.Body.Close()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "fetch: reading %s: %v\n", url, err)
+		os.Exit(1)
+	}
+
+	fmt.Printf("%s", b)
 }