exists

abstract fun exists(archive: Int): Boolean

Checks whether an archive exists.

true if so, false otherwise.

if the archive ID is out of bounds.

if an underlying I/O error occurs.

abstract fun exists(archive: Int, group: Int): Boolean

Checks whether a group exists.

true if both the group and archive exist, false otherwise.

if the archive or group ID is out of bounds.

if an underlying I/O error occurs.