Update standalone

Standalone is very rudimentary, but works.

README.md

@@ -17,6 +17,10 @@ It Features:
 ```shell
 go get -u github.com/joeybloggs/go-download
 ```
+or if your looking for the standalone client
+```shell
+go get -u github.com/joeybloggs/go-download/cmd/goget
+```
 
 ## Examples
 

cmd/goget/main.go

@@ -5,12 +5,16 @@ import (
 	"io"
 	"log"
 
+	"os"
+
 	download "github.com/joeybloggs/go-download"
 	"github.com/vbauerster/mpb"
 )
 
 func main() {
 
+	url := os.Args[len(os.Args)-1]
+
 	progress := mpb.New().SetWidth(80)
 	defer progress.Stop()
 
@@ -25,11 +29,28 @@ func main() {
 		},
 	}
 
-	f, err := download.Open("https://storage.googleapis.com/golang/go1.8.1.src.tar.gz", options)
+	f, err := download.Open(url, options)
 	if err != nil {
 		log.Fatal(err)
 	}
 	defer f.Close()
 
-	// f implements io.Reader, write file somewhere or do some other sort of work with it
+	info, err := f.Stat()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	var output *os.File
+	name := info.Name()
+	output, err = os.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer output.Close()
+
+	if _, err = io.Copy(output, f); err != nil {
+		log.Fatal(err)
+	}
+
+	log.Printf("Success. %s saved.", name)
 }

download.go

@@ -116,7 +116,7 @@ func OpenContext(ctx context.Context, url string, options *Options) (*File, erro
 		// not all services support HEAD requests
 		// so if this fails just move along to the
 		// GET portion, with a warning
-		log.Printf("notice: unexpected HEAD response code '%d', proceeding with download.", resp.StatusCode)
+		log.Printf("notice: unexpected HEAD response code '%d', proceeding with download.\n", resp.StatusCode)
 		err = f.download(ctx)
 	} else {
 		f.size = resp.ContentLength