Provided by: man-db_2.7.5-1_amd64 
NAAM
mandb - create or update the manual page index caches
SAMENVATTING
mandb [-dqsucpt?V] [-C file] [manpath]
mandb [-dqsut] [-C file] -f filename ...
BESCHRIJVING
mandb is used to initialise or manually update index database caches that are usually
maintained by man. The caches contain information relevant to the current state of the
manual page system and the information stored within them is used by the man-db utilities
to enhance their speed and functionality.
When creating or updating an index, mandb will warn of bad ROFF .so requests, bogus manual
page filenames and manual pages from which the whatis cannot be parsed.
Supplying mandb with an optional colon-delimited path will override the internal system
manual page hierarchy search path, determined from information found within the man-db
configuration file.
DATABASE CACHES
mandb can be compiled with support for any one of the following database types.
Name
Type
Async
Filename
──────────────────────────────
Berkeley db
Binary tree
Yes
index.bt
GNU gdbm v >= 1.6
Hashed
Yes
index.db
GNU gdbm v < 1.6
Hashed
No
index.db
UNIX ndbm
Hashed
No
index.(dir|pag)
Those database types that support asynchronous updates provide enhanced speed at the cost
of possible corruption in the event of unusual termination. In an unusual case where this
has occurred, it may be necessary to rerun mandb with the -c option to re-create the
databases from scratch.
OPTIES
-d, --debug
Foutinformatie tonen.
-q, --quiet
Produce no warnings.
-s, --no-straycats
Do not spend time looking for or adding information to the databases regarding
stray cats.
-p, --no-purge
Do not spend time checking for deleted manual pages and purging them from the
databases.
-c, --create
By default, mandb will try to update any previously created databases. If a
database does not exist, it will create it. This option forces mandb to delete
previous databases and re-create them from scratch, and implies --no-purge. This
may be necessary if a database becomes corrupt or if a new database storage scheme
is introduced in the future.
-u, --user-db
Create user databases only, even with write permissions necessary to create system
databases.
-t, --test
Perform correctness checks on manual pages in the hierarchy search path. With this
option, mandb will not alter existing databases.
-f, --filename
Update only the entries for the given filename. This option is not for general
use; it is used internally by man when it has been compiled with the MAN_DB_UPDATES
option and finds that a page is out of date. It implies -p and disables -c and -s.
-C bestand, --config-file=bestand
Gebruik dit gebruikersconfiguratiebestand in plaats van de standaard van
~/.manpath.
-?, --help
Show the usage message, then exit.
--usage
Print a short usage message and exit.
-V, --version
Show the version, then exit.
STOPSTATUS
0 Programma correct uitgevoerd.
1 Usage, syntax, or configuration file error.
2 Uitvoeringsfout.
3 A child process failed.
DIAGNOSTICS
The following warning messages can be emitted during database building.
<filename>: whatis parse for page(sec) failed
An attempt to extract whatis line(s) from the given <filename> failed. This is
usually due to a poorly written manual page, but if many such messages are emitted
it is likely that the system contains non-standard manual pages which are
incompatible with the man-db whatis parser. See the WHATIS PARSING section in
lexgrog(1) for more information.
<filename>: is a dangling symlink
<filename> does not exist but is referenced by a symbolic link. Further
diagnostics are usually emitted to identify the <filename> of the offending link.
<filename>: bad symlink or ROFF `.so' request
<filename> is either a symbolic link to, or contains a ROFF include request to, a
non existent file.
<filename>: genegeerde onzin bestandsnaam
<filename> kan een al dan niet geldige man-pagina zijn, maar de naam is ongeldig.
Dit wordt meestal veroorzaakt door een man-pagina met een uitbreiding van de sectie
<x> die in de man-paginasectie <y> is gestopt.
<filename_mask>: strijdende extensies
Het jokerteken <filename_mask> is niet uniek. Dit wordt meestal veroorzaakt door
het bestaan van zowel een gecomprimeerde als een gedecomprimeerde versie van
dezelfde man-pagina. Alle behalve de meeste recente versie worden genegeerd.
BESTANDEN
/etc/manpath.config
man-db-configuratiebestand.
/var/cache/man/index.(bt|db|dir|pag)
Een algemene index-database-cache, in overeenstemming met FHS.
Oudere locaties van de database-cache bestaan uit:
/usr/man/index.(bt|db|dir|pag)
Een traditionele, algemene index-database-cache.
/var/catman/index.(bt|db|dir|pag)
An alternate or FSSTND compliant global index database cache.
ZIE OOK
lexgrog(1), man(1), manpath(5), catman(8)
De voormalige sectie WAT IS ONTLEDEN is nu onderdeel van lexgrog(1).
AUTEUR
Wilf. (G.Wilford@ee.surrey.ac.uk).
Fabrizio Polacco (fpolacco@debian.org).
Colin Watson (cjwatson@debian.org).