love.filesystem.mount
Mounts a zip file or folder in the game's save directory for reading.

It is also possible to mount love.filesystem.getSourceBaseDirectory if the game is in fused mode.
success = love.filesystem.mount( archive, mountpoint, appendToPath )
archive string The folder or zip file in the game's save directory to mount.
mountpoint string The new path the archive will be mounted to.
appendToPath (false) boolean Whether the archive will be searched when reading a filepath before or after already-mounted archives. This includes the game's source and save directories.
success boolean True if the archive was successfully mounted, false otherwise.
success = love.filesystem.mount( filedata, mountpoint, appendToPath )
filedata FileData The FileData object in memory to mount.
mountpoint string The new path the archive will be mounted to.
appendToPath (false) boolean Whether the archive will be searched when reading a filepath before or after already-mounted archives. This includes the game's source and save directories.
success boolean True if the archive was successfully mounted, false otherwise.
success = love.filesystem.mount( data, archivename, mountpoint, appendToPath )
data Data The Data object in memory to mount.
archivename string The name to associate the mounted data with, for use with love.filesystem.unmount. Must be unique compared to other mounted data.
mountpoint string The new path the archive will be mounted to.
appendToPath (false) boolean Whether the archive will be searched when reading a filepath before or after already-mounted archives. This includes the game's source and save directories.
success boolean True if the archive was successfully mounted, false otherwise.