[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: calculate unique items in xsl
> > Thanks for your help in my previous post! Given the below > xml,how can I get > the > the number of unique warehouse codes? Do I need to use <xsl:key>? Removing duplicates is the same problem as grouping, so look up "grouping" in your favourite textbook or FAQ site. With XSLT 1.0 there are basically two techniques. Simple problems on small documents (like your example) can be solved using count(item[not(whcode = preceding-sibling::item/whcode)]) More complex problems, or problems on larger documents, require Muenchian grouping using xsl:key, as described at http://www.jenitennison.com/xslt/grouping Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx > > <inventory> > <item> > <warehousecode>BA</warehousecode> > <item>bolt</item> > <quantity>34</quantity> > </item> > <item> > <warehousecode>BA</warehousecode> > <item>nail</item> > <quantity>50</quantity> > </item> > <item> > <warehousecode>AC</warehousecode> > <item>tack</item> > <quantity>5</quantity> > </item> > <item> > <warehousecode>BA</warehousecode> > <item>hammer</item> > <quantity>10</quantity> > </item> > <item> > <warehousecode>AD</warehousecode> > <item>screwdriver</item> > <quantity>60</quantity> > </item> > <item> > <warehousecode>AB</warehousecode> > <item>wrench</item> > <quantity>13</quantity> > </item> > </inventory> > > > Desired output: > > Number of unique warehouse codes: 4 > > Thanks for helping an xsl newbie!! > > RJ > > > _________________________________________________________________ > Join the world?s largest e-mail service with MSN Hotmail. > http://www.hotmail.com > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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