map_db1
Read a fasta (0), genbank flat file (1) pir/vms (5) or gcg binary (6) sequence database and produce the offsets necessary for efficient memory mapping.
Usage
map_db [-n] filename | "filename libtype"
Overview
map_db 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 map_db .
In addition to map_db , list_db is available to display the database size, etc, and set of offsets calculated by map_db .
Options
-
-n -
Read file as DNA database.
Releases
Unchanged in 3 releases since Debian 11 (Bullseye).