Hello,
We have a for-each loop that constructs a table. The first column is a region
that would normally look like the following – we would like to show the first
region name only to avoid repetition.
US
US
US
US
Europe
Europe
Europe
Asia
Asia
My non-xsl mind wants to use a mutable variable:
1. initialize a variable $current_region to “”
2. loop through each row
3. If current row’s region column COLUMN[@name=”region”] does not equal
$current_region then:
* select the region so it shows in the table
* reassign $current_region to the string value of the current row’s
region column
Perhaps comparing the current category to the preceding-sibling?
Perhaps a loop on select=”distinct_values… to find region names, enclosing
another loop that goes through each distinct region’s rows? If position()=1
worked in that context perhaps this would work?
We’re aware of the saxon namespace that allows for the mutable variable cheat,
but would like to avoid this.
I would greatly appreciate your recommendations.
Thank you,
David Jacopille
Boston
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