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Manual Reference Pages  -  XMLCATMGR (1)


xmlcatmgr - XML and SGML catalog manager


See Also


xmlcatmgr [-hpsv] [-c catalog] action [action_arg ...]


xmlcatmgr is a utility used to manipulate SGML and XML catalogs. It is designed with simplicity in mind: it does not depend on external programs nor libraries. This manpage corresponds to xmlcatmgr version 2.2.

A catalog is a lookup mechanism used to translate entities into other different entities. They can, for example, map public identifiers to local files or URIs. This allows you to tell the parser where to look for entities without having to modify the original document source.

Catalogs come in two different formats: SGML catalogs and XML catalogs. The former are supported by many programs, as are very easy to parse and have existed for a long time. XML catalogs are quite recent and are much more powerful than the others. xmlcatmgr can manage both of them, but its default behavior is to handle XML catalogs (hence, the name of the program).

The following options are available:
-c catalog Use catalog as the catalog file. If not specified, the catalog defaults to /usr/local/share/xml/catalog.ports if running in XML mode, or to /usr/local/share/sgml/catalog.ports if running in SGML mode (see the -s flag).
-h Show a descriptive usage message and exit.
-p When adding a new entry to a catalog (using the add action), prepend it instead of inserting it at the end.
-s Use the standard SGML catalog format to parse the catalog, instead of the XML format.
-v Show version information and exit.

The action argument specifies what to do with the catalog file. It is mandatory and may require extra arguments. The action name can be preceded by the --’ string, to maintain some compatibility with the xmlcatalog utility included in the libxml2 package.

The following actions are available:
add type orig replace Add an entry to the catalog. type specifies the type of entry (see below), orig is the public identifier to be replaced and replace is the system URI used to do the replacement.

If replace is the --’ string, it is ignored. This is specially useful in scripts, as you can parse three arguments at a time regardless the current type expectations.

If all entries can be added successfully, the program returns 0; otherwise Gt]0.

create Create an empty catalog. Produces an error if it already exists.
destroy Delete the catalog file.
lookup value Check if given entries exist in the catalog, specified by their value argument. This matches the value passed to orig when using the add’ action. All entries found are printed to standard output.

Note that this action does not recurse into catalogs, nor does network lookups. It is only provided to check if entries exist in an specific catalog, to decide if they should be registered or not.

If all entries exist, the program returns 0; otherwise Gt]0.

remove type value Remove entries from the catalog, specified by their type and their value. The former provides the type of entry (see below), while the later matches the value passed in the orig parameter when using the add’ action.

If just one argument is provided, all matching entries are removed, regardless their type. This is only provided for command line compatibility with all previous versions, so do not use it any more (a warning message will be shown).

If all entries were removed successfully, the program returns 0; otherwise Gt]0.

When parsing SGML catalogs, the type used by add’ and remove’ actions can be one of the following: BASE’, CATALOG’, DELEGATE’, DOCTYPE’, DOCUMENT’, ENTITY’, LINKTYPE’, NOTATION’, OVERRIDE’, PUBLIC’, SGMLDECL’ and SYSTEM’. When parsing XML catalogs, it can be: delegatePublic’, delegateSystem’, delegateURI’, group’ (not supported), nextCatalog’, public’, rewriteSystem’, rewriteURI’, system’ and uri’.



xmlcatmgr was created because the
.Nx Packages Collection needed a very small catalog manager to automatically (un)register catalog entries when (de)installing packages.

It was released as an independant program through Sourceforge in the hope that it is useful to more people.

For a list of changes between versions, see: /usr/local/share/doc/xmlcatmgr/CHANGES.


The xmlcatmgr utility was written by
.An Julio M. Merino Vidal <>.
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