}
/** Create a Block Manager using direct access (and a cache) */
public static BlockMgr createStdFile(String filename, int blockSize, int readBlockCacheSize, int writeBlockCacheSize)
{
BlockAccess file = new BlockAccessDirect(filename, blockSize) ;
BlockMgr blockMgr = wrapFileAccess(file, blockSize) ;
String fn = FileOps.basename(filename) ;
blockMgr = BlockMgrCache.create(fn, readBlockCacheSize, writeBlockCacheSize, blockMgr) ;