Subject: [xsl] Grouping on multiple nested elements From: PAUL DICKINSON <dickinson.paul@xxxxxxxxxx> Date: Tue, 16 Jul 2002 17:29:21 +1000 |
Dear all, I have XML data like <?xml version="1.0"?> <data> <story> <story_id>589608</story_id> <story_title>It's Only Human Nature</story_title> <program_name>Science Show</program_name> <transmission_date>20020629</transmission_date> <description>What is human nature? Who really knows?</description> <subjects> <subject>Psychology</subject> <subject>Health</subject> <subject></subject> <subject></subject> <subject></subject> <subject></subject> <subject></subject> <subject></subject> </subjects> </story> <story> <story_id>591325</story_id> <story_title>Fins responsible for Hyshot crash</story_title> <program_name>Science News</program_name> <transmission_date>20020627</transmission_date> <description>The failure of a set of fins on the launch rocket was likely to be the cause of the Hyshot scramjet crash in October 2001, according to the final report of the investigation released last week. The finding clears the way for a second launch.</description> <subjects> <subject>Australian</subject> <subject>Space</subject> <subject>Engineering</subject> <subject></subject> <subject></subject> <subject></subject> <subject></subject> <subject></subject> </subjects> </story> <story> <story_id>591756</story_id> <story_title>Immunisation gets bad rap on internet</story_title> <program_name>Science News</program_name> <transmission_date>20020627</transmission_date> <description>The internet has an abundance of websites that are negative towards vaccination and tend to rely on unscientific evidence according to two separate studies published this week.</description> <subjects> <subject>Australian</subject> <subject>Health</subject> <subject>Information Technology</subject> <subject></subject> <subject></subject> <subject></subject> <subject></subject> <subject></subject> </subjects> </story> </data> (but more) and I am attempting to output stories grouped by their subject(s) e.g. Australian story title description story title description ... Health story title description ... Space ... I have no problem grouping by program_name using the Muenchian method - there is only one program_name for each story. However, grouping by subject has me stumped - do I need multiple keys and how do I keep track of the current subject? Apologies if this has been covered previously but I have search the archives in vain. Regards Paul Dickinson ABC Online XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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