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path: root/pkg/server/env.go
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package server

func varGet(r *request) {
	r.expect(1)

	if v, ok := r.c.s.env.Find(r.args[0]); ok {
		r.Print(v)
	} else {
		r.Fatal("no such variable")
	}
}

func varSet(r *request) {
	r.expect(2)

	if err := r.c.s.env.Set(r.args[0], r.args[1]); err != nil {
		r.Fatal(err)
	}
}

func varDel(r *request) {
	r.expect(1)

	if !r.c.s.env.Del(r.args[0]) {
		r.Fatal("no such variable")
	}
}

func varShow(r *request) {
	r.c.s.env.Each(func (k string, v string) bool {
		r.Println(k, v)
		return true
	})
}

func varClear(r *request) {
	r.c.s.env.Clear()
}

func init() {
	newCmd(varGet,  "var get")
	newCmd(varSet,  "var set")
	newCmd(varDel,  "var del")
	newCmd(varShow, "var show")
	newCmd(varClear, "var clear")
}