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Man Pages


Manual Reference Pages  -  MAP_DB (1)

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.

CONTENTS

Synopsis
Description
Options
Bugs
Author

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 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.

BUGS

AUTHOR

Bill Pearson
wrp@virginia.EDU
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MAP_DB (September, 1999) -->

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