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[Xquery] How to do a increment in a For loop
Post 302581315 by m.d.ludwig on Monday 12th of December 2011 08:42:48 PM
12-12-2011
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/xyz/pg/as3
b=/xyz/sd/fd1
/xyz/sd/fd2
/xyz/sd/fd3
for q in... (1 Reply)
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LEARN ABOUT DEBIAN
basex
basex(1) The XML Database basex(1) NAME
basex - XML database system and XPath/XQuery processor (command line mode) SYNOPSIS
basex [-bcdiLosuvVwxz] [query] DESCRIPTION
basex is a fast and powerful, yet light-weight and platform independent XML database system and XPath/XQuery processor. OPTIONS
A short description of option can be obtained from $ basex -h or by browsing http://docs.basex.org/wiki/Startup_Options#BaseX_Standalone DATABASE COMMANDS
A list of supported Database commands can be obtained from $ basex -c help or by browsing http://docs.basex.org/wiki/Commands EXAMPLES
o XQuery evaluation (no database, no interaction, script mode): $ basex -Lq 19+23 42 $ basex -Lq "<answer>{ 23+19 }</answer>" <answer>42</answer> o Import an XML file into database, output its content (query its root) and be verbose: $ basex -Vc "CREATE DB input /usr/share/doc/basex/examples/input.xml; XQUERY /" Database 'input' created in 136.84 ms. <html> <!-- Header --> <head id="0"> <title>XML</title> </head> <!-- Body --> <body id="1" bgcolor="#FFFFFF" text="#000000" link="#0000CC"> <h1>Databases & XML</h1> <div align="right"> <b>Assignments</b> <ul> <li>Exercise 1</li> <li>Exercise 2</li> </ul> </div> </body> <?pi bogus?> </html> Query: / Compiling: Result: root() Parsing: 5.08 ms Compiling: 27.2 ms Evaluating: 0.87 ms Printing: 13.7 ms Total Time: 46.86 ms Hit(s): 1 Item Updated: 0 Items Printed: 358 Bytes Query executed in 42.52 ms. o XPath evaluation (with existing database): $ basex -Lc "OPEN input; XQUERY //li[1]" <li>Exercise 1</li> o Retrieve XML from the web and perform XPath query: $ basex -Lq "doc('http://files.basex.org/examples/input.xml')//li" <li>Exercise 1</li> <li>Exercise 2</li> o W3C XQuery Full-Text (make use of full-text index and perform fuzzy query with a typing error): $ basex BaseX 7.1 [Standalone] Try "help" to get more information. > SET FTINDEX on Full-Text Index: ON > CREATE DB input /usr/share/doc/basex/examples/input.xml Database 'input' created in 94.42 ms. > XQUERY //b[text() contains text 'Asisgnment' using fuzzy] <b>Assignments</b> Query executed in 8.37 ms. o Update the database and show result: > XQUERY delete node //ul Query executed in 2.79 ms. > XQUERY replace value of node //b with 'Debian rules' Query executed in 2.94 ms. > XQUERY //div <div align="right"> <b>Debian rules</b> </div> Query executed in 1.01 ms. o Open an input xml file, execute a query and write result into file: $ basex -Li /usr/share/doc/basex/examples/input.xml -q //div -o out.xml $ cat out.xml <div align="right"> <b>Assignments</b> <ul> <li>Exercise 1</li> <li>Exercise 2</li> </ul> </div> o Query an already existing database called 'input'. If a file named 'input' exists in current working directory it takes precedence: $ basex -Li input -q //div <div align="right"> <b>Assignments</b> <ul> <li>Exercise 1</li> <li>Exercise 2</li> </ul> </div> o Let basex process query input from standard in: $ echo '19+23' | basex -Lq- 42 o Execute commands from script file: $ cat commands.txt create db debian <debian_db/> xquery / list $ basex -LC commands.txt | grep debian <debian_db/> debian 1 4639 debian.xml o Parse non well-formed HTML (needs libtagsoup-java installed): $ cat bad.html <html> <ul> <li>A <li>B </ul> </html> $ basex -c 'set parser html; set htmlopt method=html,nons=true; create db htmldb bad.html' $ basex -q "doc('htmldb')" <html> <body> <ul> <li>A</li> <li>B</li> </ul> </body> </html> For further documentation on how to configure the HTML Parser refer to http://docs.basex.org/wiki/Parsers#HTML_Parser SEE ALSO
basexgui(1), basexserver(1), basexclient(1) ~/.basex BaseX (standalone and server) properties ~/.basexgui BaseX additional GUI properties ~/.basexperm user name, passwords, and permissions ~/.basexevents contains all existing events ~/BaseXData Default database directory ~/BaseXData/.logs Server logs ~/BaseXRepo Package repository BaseX Documentation Wiki: http://docs.basex.org HISTORY
BaseX started as a research project of the Database and Information Systems Group (DBIS) at the University of Konstanz in 2005 and soon turned into a feature-rich open source XML database and XPath/XQuery processor. LICENSE
New (3-clause) BSD License AUTHOR
BaseX is developed by a bunch of people called 'The BaseX Team' <http://basex.org/about-us/> led by Christian Gruen <cg@basex.org>. The man page was written by Alexander Holupirek <alex@holupirek.de> while packaging BaseX for Debian GNU/Linux. 26 June 2012 basex(1)