func ExampleNewReader() {
ctx := Example_auth()
rc, err := storage.NewReader(ctx, "bucketname", "filename1")
if err != nil {
log.Fatal(err)
}
slurp, err := ioutil.ReadAll(rc)
rc.Close()
if err != nil {
log.Fatal(err)
}
log.Println("file contents:", slurp)
}
// readFile reads the named file in Google Cloud Storage.
func (d *demo) readFile(fileName string) {
io.WriteString(d.w, "\nAbbreviated file content (first line and last 1K):\n")
rc, err := storage.NewReader(d.ctx, bucket, fileName)
if err != nil {
d.errorf("readFile: unable to open file from bucket %q, file %q: %v", bucket, fileName, err)
return
}
defer rc.Close()
slurp, err := ioutil.ReadAll(rc)
if err != nil {
d.errorf("readFile: unable to read data from bucket %q, file %q: %v", bucket, fileName, err)
return
}
fmt.Fprintf(d.w, "%s\n", bytes.SplitN(slurp, []byte("\n"), 2)[0])
if len(slurp) > 1024 {
fmt.Fprintf(d.w, "...%s\n", slurp[len(slurp)-1024:])
} else {
fmt.Fprintf(d.w, "%s\n", slurp)
}
}