func commandToString(c *exec.Cmd) string {
	if c == nil {
		return ""
	}
	return strings.Join(append([]string{c.Path}, c.Args[1:]...), " ")
}
// commandToString format command to string.
commandToString format command to string.
// commandToString format command to string .
func commandToString(c *exec.Cmd) string {
	if c == nil {
		return ""
	}
	return strings.Join(append([]string{c.Path}, c.Args[1:]...), " ")
}
func commandToString ( c * exec . Cmd ) string { if c == nil { return " " } return strings . Join ( append ( [ ] string { c . Path } , c . Args [ 1 : ] ... ) , " " ) }
commandToString format command to string.
commandToString format command to string .