f, err := os.Open(name)
	if err != nil {
		return nil, err
	}
	arch, err := NewArchive(f)
	if err != nil {
		f.Close()
		return nil, err
	}
	arch.closer = f
	return arch, nil
}

// Close closes the Archive.
// If the Archive was created using NewArchive directly instead of OpenArchive,
// Close has no effect.
func (a *Archive) Close() error {
	var err error

func (i fileInfo) Sys() any           { return nil }

func (i fileInfo) String() string {
	return fs.FormatFileInfo(i)
}

// NewArchive returns a new Archive containing all the files in the directory dir.
// The archive can be amended afterward using methods like Add and Filter.
func NewArchive(dir string) (*Archive, error) {
	a := new(Archive)
	err := fs.WalkDir(os.DirFS(dir), ".", func(name string, d fs.DirEntry, err error) error {

}

// aixBigArExportData returns export data from an AIX big archive.
func aixBigArExportData(archive io.ReadSeeker) (io.ReadSeeker, error) {
	archiveAt := readerAtFromSeeker(archive)
	arch, err := xcoff.NewArchive(archiveAt)
	if err != nil {
		return nil, err
	}

	for _, mem := range arch.Members {
		f, err := arch.GetFile(mem.Name)
		if err != nil {
			return nil, err
		}
		sdat := f.CSect(".go_export")