XSLT Adding in a for-each loop - xslt

Question

Is there a way to create a for-each loop in XSLT that will add in the value of each node it loops through?
For Example, is there a way to create a loop to add together the price nodes to get a total price?
<cd>
<title>Hide your heart</title>
<artist>Bonnie Tyler</artist>
<country>UK</country>
<company>CBS Records</company>
<price>9.90</price>
<year>1988</year>
</cd>
<cd>
<title>Greatest Hits</title>
<artist>Dolly Parton</artist>
<country>USA</country>
<company>RCA</company>
<price>9.90</price>
<year>1982</year>
</cd>
<cd>
<title>Still got the blues</title>
<artist>Gary Moore</artist>
<country>UK</country>
<company>Virgin records</company>
<price>10.20</price>
<year>1990</year>
</cd>
Here is the current code I am trying to use to extract the price and hold it as a variable:
<xsl:template name="Amount-Calc">
<xsl:value-of select="sum(//cd[country = 'UK'])"/>>
<xsl:variable name="FullPrice" select="price" />
<xsl:variable name="dollars" select="substring($FullPrice,1,2)" />
<xsl:variable name="cents" select="substring($FullPrice,3,2)" />
</xsl:template>
I am not sure how to store the full price as a variable
My Expected output is:
<price=20.10/>
However when I do my calculation I am getting <price=NaN/>

Answer 1

Is there a way to create a for-each loop in XSLT that will add in the
value of each node it loops through?
It is neither possible, nor necessary.
It's not possible, because xsl:for-each is not a loop.
It's not necessary, because you can sum the nodes using an expression like sum(cd/price)from the context of the parent node (missing from your example).
Added:
Given a well-formed XML input:
<root>
<cd>
<title>Hide your heart</title>
<artist>Bonnie Tyler</artist>
<country>UK</country>
<company>CBS Records</company>
<price>9.90</price>
<year>1988</year>
</cd>
<cd>
<title>Greatest Hits</title>
<artist>Dolly Parton</artist>
<country>USA</country>
<company>RCA</company>
<price>9.90</price>
<year>1982</year>
</cd>
<cd>
<title>Still got the blues</title>
<artist>Gary Moore</artist>
<country>UK</country>
<company>Virgin records</company>
<price>10.20</price>
<year>1990</year>
</cd>
</root>
the following stylesheet:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:template match="/root">
<total-price>
<xsl:value-of select="format-number(sum(cd[country = 'UK']/price), '0.00')"/>
</total-price>
</xsl:template>
</xsl:stylesheet>
will return:
<?xml version="1.0" encoding="UTF-8"?>
<total-price>20.10</total-price>