Add CLI client

cmd/gopher/main.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+
+	"github.com/prologic/go-gopher"
+)
+
+var (
+	json = flag.Bool("json", false, "display gopher directory as JSON")
+)
+
+func main() {
+	var uri string
+
+	flag.Parse()
+
+	if len(flag.Args()) == 1 {
+		uri = flag.Arg(0)
+	} else {
+		uri = "gopher://gopher.floodgap.com/"
+	}
+
+	res, err := gopher.Get(uri)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if res.Body != nil {
+		contents, err := ioutil.ReadAll(res.Body)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		fmt.Print(string(contents))
+	} else {
+		var (
+			bytes []byte
+			err   error
+		)
+
+		if *json {
+			bytes, err = res.Dir.ToJSON()
+		} else {
+			bytes, err = res.Dir.ToText()
+		}
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		fmt.Println(string(bytes))
+	}
+}