From d97d95ed2995188726d63945ae73a0a14e29149b Mon Sep 17 00:00:00 2001
From: gutmet <me.git@gutmet.org>
Date: Tue, 12 Feb 2019 00:17:21 +0100
Subject: [PATCH] method to download to file

---
 goutil.go | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/goutil.go b/goutil.go
index f8aac3b..30bce51 100644
--- a/goutil.go
+++ b/goutil.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"net/http"
 	"os"
@@ -312,7 +313,7 @@ func Notify(head string, body string) error {
 	return nil
 }
 
-func Download(url string) ([]byte, error) {
+func DownloadAll(url string) ([]byte, error) {
 	resp, err := http.Get(url)
 	if err != nil {
 		return nil, errors.New("Download: " + err.Error())
@@ -324,3 +325,18 @@ func Download(url string) ([]byte, error) {
 	}
 	return data, err
 }
+
+func DownloadToFile(f string, url string) error {
+	resp, err := http.Get(url)
+	if err != nil {
+		return errors.New("DownloadToFile: " + err.Error())
+	}
+	defer resp.Body.Close()
+	file, err := os.Create(f)
+	if err != nil {
+		return errors.New("DownloadToFile: " + err.Error())
+	}
+	defer file.Close()
+	_, err = io.Copy(file, resp.Body)
+	return err
+}