xkcd-go

Golang tool to read latest, random, or a specific xkcd comic (and download it too).
git clone http://git.hanabi.in/repos/xkcd-go.git
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get-options.go (427B)

      1 package xkcd
      2 
      3 import (
      4 	"fmt"
      5 	"strconv"
      6 )
      7 
      8 // Option is of the type `xkcd action [num]'.
      9 // Return (action, num, err) -- err, if any.
     10 func GetOption(args []string) (option string, num int, err error) {
     11 	if len(args) > 1 {
     12 		option = args[1]
     13 	}
     14 	if len(args) > 2 {
     15 		maybenum, e := strconv.Atoi(args[2])
     16 		if e != nil {
     17 			err = fmt.Errorf("Please specify a valid number.\n")
     18 		}
     19 		num = maybenum
     20 	}
     21 	return option, num, err
     22 }