This page describes the features and use of this wiki's '''search''' facility.



** See Also **

   [http://wiki.tcl.tk/_/search%|%search]:   The search page for this wiki.

   [http://www.google.com/search?q=site%3Awiki.tcl.tk%|%Google search of this site]:   Add your search terms after the google search term '''site:wiki.tcl.tk'''

   [Searching and bookmarking URLs on the Tcl'ers Wiki]:   Mostly obsolete information, retained for possible historical value

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<h2>undroidwish</h2>
[AndroWish] sans the [Android facilities|borg],<br>
a project just for pun.
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<td align="right">&nbsp;
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** Description **

The search interface is based on [sqlite%|%sqlite's] [http://www.sqlite.org/fts3.html%|%full text search]. The search string is passed as `MATCH` argument, including the `*` characters. Check [http://www.sqlite.org/fts3.html%|%www.sqlite.org/fts3.html] for more information about [sqlite] and full text search.

The [sqlite] in use at the wiki has been compiled with
`-DSQLITE_ENABLE_FTS3_PARENTHESIS` so the ''Enhanced Query Syntax'' is
available. This makes is possible to do the searches with an implicit `AND` as
before but also allows you to refine your search using the `AND`, `OR` and
`NOT` keywords.

----

[jnc]: Using the FTS3 Parenthesis option, you can now search for things such as
`https NOT soap` or `https AND (soap OR json)`

[tjk]: If you want to search for an explicit string such as "package require registry" you should connect the words with a NEAR/2 qualifier. Thus a search for 'package NEAR/2 require NEAR/2 registry' will find all pages that contain the string "package require registry".

[emj]: Actually you can just search for `"package require registry"` '''including''' the quotes in the search box.

[EMJ]: You don't need to search for pages in a category since the category page itself will give you that, but you can search for a page that is in ''two'' categories with

======none
categor* NEAR cat1 NEAR "other cat"
======

(quote any category name with more than one word). This will work for both older and newer category markup but will miss if a page has too many categories (but you could try NEAR/20 for that). It will also miss a single category link in the middle of the page with the other at the end, but there may be other tricks to cover that (which may become too complicated to be viable).



** Simple URL matching **

If a page named `somename` exists, then http://wiki.tcl.tk/''somename''  jumps
directly to that page.  Otherwise, it returns the results of a regular search
for that term.  All the normal search syntax is available.



** Syntax **

Unless quoted as described below, search terms are delimited by characters that
are not that letters or numbers.  FTS search times only have their special
meaning when they are in ALL-CAPS.  In addition to the `[sqlite]` FTS
operators, the following operators are available:

   `-`:   Excludes the term from the results

   `+`:   Guarantees that the term exists in any search results.  Since search terms are by default implicitly the operands of `AND`, this operator is not useful.

   `*`:   Matches either any beginning of a search term, or the rest of a search term.  When it is the only character delimiting two search terms, it associates to the term on the left and matches the end of that term. 

   `"`''...''`"`:   Between double quotes, other special characters take on their literal meaning instead. 





** Deprecated **

The `*` used in previous versions of the search to distinguish between
searching in titles or page content is no longer supported.  Searches are now
always done on titles and page content.  The results are listed sorted on the
last-edited-data, most recent first.  Results are presented in two groups, tile
results are shown in the first group, followed by the results of full-page
content search in the second group.



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