XSLT StyleSheet XML


            File: Data.xml


   
      title 1
      author 1
      publisher 1
      1-11-11111-1
      6.99
      235
   
   
      title 2
      author 2
      publisher 2
      0 14 018967 X
      12.99
      12
   

File: Transform.xslt

  xmlns:xs="http://www.w3.org/2001/XMLSchema"
  exclude-result-prefixes="xs" version="2.0">
  
    
          as="xs:double" />
          as="xs:double" />
    
      
        
          
                          select="subsequence($nodes, 1, count($nodes) idiv 2)" />
          
        
        
          
                          select="subsequence($nodes, (count($nodes) idiv 2) + 1)" />
          
        
        
          
                          select="if(number($first/min) lt number($second/min))
                                    then $first/min
                                    else $second/min" />
          
          
                          select="if(number($first/max) gt number($second/max))
                                    then $first/max
                                    else $second/max" />
          
        
      
      
        
          
            
          
          
            
          
        
      
      
        
          INF
          -INF
        
      
    
  
  
    
      
                  select="/booklist/book/price" />
      
    
  

Output:
6.9912.99