map_db man page on DragonFly

map_db man page on DragonFly

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MAP_DB(September, 1999)				       MAP_DB(September, 1999)

NAME
       map_db  -  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.

SYNOPSIS
       map_db [-n] filename | "filename libtype"

DESCRIPTION
       map_db  filename	 reads the sequence database in filename and produce a
       new file filename.xin with the offset information necessary  for	 effi‐
       cient 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.

BUGS
AUTHOR
       Bill Pearson
       wrp@virginia.EDU

						       MAP_DB(September, 1999)

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