How to find oneself

whothis/main.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+func main() {
+	fmt.Printf("args: %#v\n", os.Args)
+	fmt.Printf("prog: %s\n", filepath.Base(os.Args[0]))
+}