Azure IPs printed to console

azureip_print.go

package main

import (
	"encoding/xml"
	"fmt"
	"io/ioutil"
	"log"
	"os"
)

type AzurePublicIPAddresses struct {
	Region []Region `xml:"Region"`
}

type Region struct {
	Name    string   `xml:"Name,attr"`
	Subnets []Subnet `xml:"IpRange"`
}

type Subnet struct {
	Subnet string `xml:"Subnet,attr"`
}

func main() {
	var azure AzurePublicIPAddresses
	x, err := ioutil.ReadFile(os.Args[1])
	if err != nil {
		log.Fatal(err)
	}

	if err := xml.Unmarshal(x, &azure); err != nil {
		log.Fatal(err)
	}

	for _, r := range azure.Region {
		fmt.Printf("%+v\n", r.Name)
		for _, s := range r.Subnets {
			fmt.Printf("--> %+v\n", s.Subnet)
		}
		fmt.Print("\n")
	}
}