wal/util.go
func Exist(dir string) bool {
	names, err := fileutil.ReadDir(dir, fileutil.WithExt(".wal"))
	if err != nil {
		return false
	}
	return len(names) != 0
}
func Exist(dir string) bool {
	names, err := fileutil.ReadDir(dir, fileutil.WithExt(".wal"))
	if err != nil {
		return false
	}
	return len(names) != 0
}
func Exist ( dir string ) bool { names , err := fileutil . ReadDir ( dir , fileutil . WithExt ( " " ) ) if err != nil { return false } return len ( names ) != 0 }
// Exist returns true if there are any files in a given directory.
Exist returns true if there are any files in a given directory .