filename reads the sequence database in
filename and produce a new file
filename.xin with the offset information necessary for efficient memory mapping.
The programs in fasta version 32t08 can use memory mapped i/o to load
sequence database files and read them efficiently. Memory mapping is
used only if a "
.xin " file is available. The "
.xin " file is created by
In addition to
list_db is available to display the database size, etc, and set of offsets calculated