Go » Download a file
Does a http.Get and copies the body to a local file:
func download(url, target string) error {
// Optionally:
if _, err := os.Stat(target); err == nil {
// File already exists, don't bother redownloading
return nil
}
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
out, err := os.Create(target)
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, resp.Body)
return err
}