Function IsExistingFile

pkg/validation/validation.go:46–60

(val interface{})

}

func IsExistingFile(val interface{}) error {
	if str, ok := val.(string); ok {
		info, err := os.Stat(str)
		if os.IsNotExist(err) {
			return fmt.Errorf("\"%s\" is not a valid file path", str)
		}
		if info.IsDir() {
			return fmt.Errorf("\"%s\" is a directory, the path must be a file", str)
		}
	} else {
		return fmt.Errorf("cannot check value on response of type %v", reflect.TypeOf(val).Name())
	}
	// path is real file
	return nil
}