Add env

env/env.go

@@ -0,0 +1,21 @@
+package env
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+func Env() {
+	os.Setenv("GOBYEXAMPLE", "WORKS")
+	fmt.Println("$GOBYEXAMPLE=", os.Getenv("GOBYEXAMPLE"))
+	envGoRoot := os.Getenv("GOROOT")
+	fmt.Println("$GOROOT=", envGoRoot)
+
+	fmt.Println()
+	fmt.Println("All env vars:")
+	for _, envLine := range os.Environ() {
+		pair := strings.SplitN(envLine, "=", 2)
+		fmt.Printf("%s=%s\n", pair[0], pair[1])
+	}
+}