func copyFile(rFile, lFile uri.Uri) (io.ReadCloser, io.WriteCloser) {
var err error
lFd, err := lFile.OpenRead()
for {
if err != nil {
time.Sleep(time.Second * 1)
} else {
break
}
lFd, err = lFile.OpenRead()
}
rFd, err := rFile.OpenWrite()
for {
if err != nil {
time.Sleep(time.Second * 1)
} else {
break
}
rFd, err = rFile.OpenWrite()
}
io.Copy(rFd, lFd)
return lFd, rFd
}
