func main() {
//arguments
flag.Parse()
if flag.NArg() < 1 {
fmt.Fprintln(os.Stderr, os.ErrInvalid)
return
}
urlStr := flag.Arg(0)
//shortening url
shortUrl, err := gitioapi.Encode(&gitioapi.Param{Url: urlStr})
if err != nil {
fmt.Fprintln(os.Stderr, err)
}
fmt.Print(shortUrl)
}
// Run invokes the CLI with the given arguments.
func (cli *CLI) Run(args []string) int {
var (
c string
url string
)
// Define option flag parse
flags := flag.NewFlagSet(Name, flag.ContinueOnError)
flags.SetOutput(cli.errStream)
flags.StringVar(&c, "c", "", "'code' parameter.")
flVersion := flags.Bool("version", false, "Print version information and quit.")
// Parse commandline flag
if err := flags.Parse(args[1:]); err != nil {
return ExitCodeError
}
// Show version
if *flVersion {
fmt.Fprintf(cli.errStream, "%s version %s\n", Name, Version)
return ExitCodeOK
}
// Parse argument
switch flags.NArg() {
case 0:
fmt.Fprintln(cli.errStream, os.ErrInvalid, "No GitHub URL")
return ExitCodeError
case 1:
url = flags.Arg(0)
default:
fmt.Fprintln(cli.errStream, os.ErrInvalid, flags.Arg(1))
return ExitCodeError
}
// shortening URL
shortUrl, err := gitioapi.Encode(&gitioapi.Param{Url: url, Code: c})
if err != nil {
fmt.Fprintln(cli.errStream, err)
return ExitCodeError
}
fmt.Fprint(cli.outStream, shortUrl)
return ExitCodeOK
}
func ExampleEncode() {
shortUrl, _ := gitioapi.Encode(&gitioapi.Param{Url: "https://github.com/technoweenie", Code: "t"})
fmt.Print(shortUrl)
// http://git.io/t
}