A wrap for voltiageshift

voltageshifter.go

package main 
import ( 
	"flag" 
	"os" 
	"path/filepath" 
	"syscall" 
) 
func main() { 
	flag.Parse() 
	ex, err := os.Executable() 
	if err != nil { 
		panic(err) 
	} 
	ex, err = filepath.EvalSymlinks(ex) 
	if err != nil { 
		panic(err) 
	} 
	selfdir := filepath.Dir(ex) 
	realrt := "voltageshift" 
	realfullrt := filepath.Join(selfdir, realrt) 
	if fi, ok := os.Stat(realfullrt); ok == nil { 
		if fi.IsDir() { 
			os.Stderr.WriteString("[ERROR] Cannot find voltageshift\n") 
			os.Exit(1) 
		} 
	} else { 
		os.Stderr.WriteString("[ERROR] Cannot find voltageshift\n") 
		os.Exit(1) 
	} 
	os.Chdir(selfdir) 
	argvs := []string{realfullrt} 
	if flag.NArg() > 0 { 
		argvs = append(argvs, flag.Args()...) 
	} 
	syscall.Exec(realfullrt, argvs, syscall.Environ()) 
}