Windowsの環境変数の一覧を取得

set.go

package main

import (
	"fmt"
	"os/exec"
	"strings"
)

func splitKeyValue(environment string) (key, value string) {
	e := strings.Split(environment, "=")
	return e[0], e[1]
}

func getEnvList() map[string]string {
	envList := make(map[string]string, 0)

	output, err := exec.Command("cmd", "/c", "set").Output()
	if err != nil {
		fmt.Println(err)
	}
	environments := strings.Split(string(output), "\n")
	for _, environment := range environments {
		if environment == "" {
			continue
		}
		k, v := splitKeyValue(environment)
		envList[k] = v
	}
	return envList
}

func main() {
	for k, v := range getEnvList() {
		fmt.Println(k, "---", v)
	}
}