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--- namespaces [2017-09-22 09:31]
113.21.228.134 [Creating Namespaces]
+++ namespaces [2018-03-30 13:01] (current)
LarsDW223 old revision restored (2017-12-05 10:46)
@@ Line 1: / Line 1: @@
+====== Namespaces ======
+A namespace is similar to a directory or folder, while pages are similar to files.
+In [[DokuWiki]]  you can use namespaces to categorize your pages. For names of namespaces the same restrictions hold as for [[pagename|pagenames]].
+A default DokuWiki installation comes with the built-in namespaces: //wiki// and //playground//.
 ===== Creating Namespaces =====
@@ Line 6: / Line 12: @@
 All namespaces used in your pagename that don't exist already will be created by DokuWiki automatically.
-A namespace can be created in the media manager after having selected a file on the local computer and adding a ''name:'' (of namespace wanted) just before the media file name and then clicking  ''upload''. This will create on the fly the namespace (folder) for the file media, visible after a refresh of the windows.
+A namespace can be created in the media manager after having selected a file on the local computer and adding a ''name:'' (of namespace wanted) just before the media file name and then clicking ''upload''. This will create on the fly the namespace (folder) for the file media, visible after a refresh of the windows.
 In DokuWiki pages are created as in every other wiki. Simply create a link to a non existing page, follow this link, and click on Create this page. See also [[.:page#create_a_page|Adding pages]].
@@ Line 28: / Line 34: @@
 Links relative to the current namespace may also begin with either "." or ".:" (".." or "..:" for parent namespace).
+===== Deleting namespaces =====
+When all pages inside a namespace are removed (see [[page#delete_a_page|delete a page]]) the namespace logically doesn’t exist anymore. DokuWiki usually deletes the now empty directory as well.
+===== How  to rename namespaces? =====
+==== Manual way ====
+In order to rename a namespace manually you will have to:
+  * Rename the folders that represent the namespace in:
+    * ''data/pages''
+    * ''data/media'' (if this exists)
+  * Remove metadata for the namespace under ''data/meta''
+  * Remove attic data for the namespace under ''data/attic'' (or move that over as well, if you want to preserve old versions)
+For example, on a Unix host, you could:
+  * ''mv /dokuwiki_base/data/pages/old_namespace /dokuwiki_base/data/pages/new_namespace''
+  * ''mv /dokuwiki_base/data/media/old_namespace /dokuwiki_base/data/media/new_namespace''
+  * ''rm -Rf /dokuwiki_base/data/meta/old_namespace''
+  * move: ''mv /dokuwiki_base/data/attic/old_namespace /dokuwiki_base/data/attic/new_namespace'' \\ or remove: ''rm -Rf /dokuwiki_base/data/attic/old_namespace''
+Note that the ''old_namespace'' and/or ''new_namespace'' words may need to be encoded if they are on a non-Latin character set (i.e. Greek, Russian, etc).
+  * Correct (by editing them) all the links to the pages under the //moved// namespace (you can discover those before moving the namespace by reviewing each page's [[backlinks]]).
+  * Browse each and every page under the new namespace. This will create the missing indexing information and metadata for the pages under the moved namespace.
+However, you will still have lots of junk left around. For example in ''data/changes.log'', various files under cache (including the ''.idx'' files etc). If possible you could just start from a ''blank state'' as follows (again under Unix) but be warned that this will mean losing all your historical information (i.e. ''recent changes''):
+  * ''cat /dev/null > /dokuwiki_base/data/changes.log''
+  * ''rm -Rf /dokuwiki_base/data/attic/*''
+  * ''rm -Rf /dokuwiki_base/data/cache/?''
+  * ''rm -Rf /dokuwiki_base/data/cache/*.idx''
+  * ''rm -Rf /dokuwiki_base/data/cache/purgefile''
+  * Browse each and every page of your Wiki.
+DISCLAIMER: I understand this is convoluted (and maybe I missed/messed a couple of things you should also do). All in all this is a PITA. You may also use a couple of [[plugins]] that are available for (re)building the searchindex for the complete wiki, erasing entire cache and/or old wiki revisions thus avoiding having to do this manually.
+===== Namespace Default Linking =====
+It is possible to link to the default file of a namespace by ending the linkid
+with a colon: %%[[foo:bar:]]%%. Which page the link links to is dependent on the
+existence of certain named files. For %%[[foo:bar:]]%% the following pages are
+checked:
+<code>
+foo:bar:$conf['start']
+foo:bar:bar
+foo:bar
+</code>
+The pages are checked in that order and whatever page is found first will be linked to. [[config:autoplural|Autoplural]] linking is not done for those links.
+DokuWiki supports [[doku>Interwiki]] links. These are quick links to other Wikis.
+For example this is a link to Wikipedia's page about Wikis: [[wp>Wiki]].

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