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MAKEWHATIS(8)		     System Manager's Manual		   MAKEWHATIS(8)

NAME
     makewhatis -- index UNIX manuals

SYNOPSIS
     makewhatis [-aDnpQ] [-T utf8] [-C file]
     makewhatis [-aDnpQ] [-T utf8] dir ...
     makewhatis [-DnpQ] [-T utf8] -d dir [file ...]
     makewhatis [-Dnp] [-T utf8] -u dir [file ...]
     makewhatis [-DQ] -t file ...

DESCRIPTION
     The makewhatis utility extracts keywords from Unix manuals and indexes them
     in a database for fast retrieval by apropos(1), whatis(1), and man(1).

     By  default,  makewhatis  creates	a  database  in each dir using the files
     mansection/[arch/]title.section and catsection/[arch/]title.0 in  that  di-
     rectory.  Existing databases are replaced.  If a directory contains no man-
     ual  pages,  no  database is created in that directory.  If dir is not pro-
     vided, makewhatis uses the default paths stipulated by man.conf(5).

     The arguments are as follows:

     -a       Use all directories and files found below dir ....

     -C file  Specify an alternative configuration file in man.conf(5) format.

     -D       Display all files added or removed to the index.	 With  a  second
	      -D, also show all keywords added for each file.

     -d dir   Merge (remove and re-add) file ... to the database in dir.

     -n       Do  not  create  or  modify any database; scan and parse only, and
	      print manual page names and descriptions to standard output.

     -p       Print warnings about potential problems with manual pages  to  the
	      standard error output.

     -Q       Quickly build reduced-size databases by reading only the NAME sec-
	      tions  of  manuals.   The resulting databases will usually contain
	      names and descriptions only.

     -T utf8  Use UTF-8 encoding instead of ASCII  for	strings  stored  in  the
	      databases.

     -t file ...
	      Check the given files for potential problems.  Implies -a, -n, and
	      -p.   All  diagnostic messages are printed to the standard output;
	      the standard error output is not used.

     -u dir   Remove file ... from the database in  dir.   If  that  causes  the
	      database to become empty, also delete the database file.

     If  fatal parse errors are encountered while parsing, the offending file is
     printed to stderr, omitted from the index, and the parse continues with the
     next input file.

ENVIRONMENT
     MANPATH  A colon-separated list of directories to create databases in.  Ig-
	      nored if a dir argument or the -t option is specified.

FILES
     mandoc.db
	     A database of manpages relative to the directory of the file.  This
	     file is portable across architectures and systems, so long  as  the
	     manpage hierarchy it indexes does not change.

     /etc/man.conf
	     The default man(1) configuration file.

EXIT STATUS
     The makewhatis utility exits with one of the following values:

     0	     No errors occurred.
     5	     Invalid command line arguments were specified.  No input files have
	     been read.
     6	     An  operating  system error occurred, for example memory exhaustion
	     or an error accessing input files.  Such errors cause makewhatis to
	     exit at once, possibly in the middle of  parsing  or  formatting  a
	     file.  The output databases are corrupt and should be removed.

SEE ALSO
     apropos(1), man(1), whatis(1), man.conf(5)

HISTORY
     A	makewhatis  utility first appeared in 2BSD.  It was rewritten in perl(1)
     for OpenBSD 2.7 and in C for OpenBSD 5.6.

     The dir argument  first  appeared	in  NetBSD  1.0;  the  options	-dpt  in
     OpenBSD  2.7;  the  option  -u  in  OpenBSD 3.4; and the options -aCDnQT in
     OpenBSD 5.6.

AUTHORS
     Bill Joy wrote the original BSD makewhatis in  February  1979,  Marc  Espie
     started the Perl version in 2000, and the current version of makewhatis was
     written   by   Kristaps   Dzonsons   <kristaps@bsd.lv>  and  Ingo	Schwarze
     <schwarze@openbsd.org>.

FreeBSD ports 15.1		 March 16, 2022 		   MAKEWHATIS(8)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=makewhatis&sektion=8&manpath=FreeBSD+15.1-RELEASE+and+Ports>

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