Removing comma from number format with unique XSLT coding - xslt

Question

With the example below, the XSLT is doing a few things, it is grouping by column 1 and column2, if it is the same, then it will group the column 3 amount. As well, within the PayAmount tags, it is reversing negative (-) number into a positive and vice versa. What I am having troubles with is writing logic to remove the comma (,) from column 3 in the output.
Below is my XSLT Code
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes" />
<xsl:template match="data">
<xsl:for-each select="row[generate-id(.) = generate-id(key(''rows'', concat(column1, ''||'', column2)))]">
</Record>
<Detail>
<Amount>
<xsl:variable name="mySum">
<xsl:value-of select="sum(key(''rows'', concat(column1, ''||'', column2))/column3)" />
</xsl:variable>
<xsl:value-of select="translate(($mySum * ($mySum >= 0) - $mySum * not($mySum >= 0)),'','','''')" />
</Amount>
</Detail>
</Record>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
I have tried the following logic, but the comma remains in the output:
- <xsl:value-of select="translate(($mySum * ($mySum >= 0) - $mySum * not($mySum >= 0)),'','', '''')" />
- <xsl:value-of select="format-number($mySum * ($mySum >= 0) - $mySum * not($mySum >= 0),'#,##0.00')" />
- <xsl:value-of select="translate(sum(key(''rows'', concat(column1, ''||'', column2))/column3),'','','''')" />
Below is a sample data in XML:
<data>
<row>
<column1>200040</column1>
<column2>Auto</column2>
<column3>-500.00</column3>
</row>
<row>
<column1>200040</column1>
<column2>Auto</column2>
<column3>-5,000.00</column3>
</row>
<row>
<column1>200040</column1>
<column2>Auto</column2>
<column3>-1,000.00</column3>
</row>
<row>
<column1>200040</column1>
<column2>Auto</column2>
<column3>300.00</column3>
</row>
<row>
<column1>200040</column1>
<column2>Auto</column2>
<column3>-4,000.00</column3>
</row>
<row>
<column1>200041</column1>
<column2>Bike</column2>
<column3>-1,700.00</column3>
</row>
<row>
<column1>200041</column1>
<column2>Bike</column2>
<column3>-1,000.00</column3>
</row>
<row>
<column1>200041</column1>
<column2>Bike</column2>
<column3>800.00</column3>
</row>
<row>
<column1>200045</column1>
<column2>Bus</column2>
<column3>200.00</column3>
</row>
<row>
<column1>200045</column1>
<column2>Bus</column2>
<column3>-10,000.00</column3>
</row>
<row>
<column1>200045</column1>
<column2>Bus</column2>
<column3>5,000.00</column3>
</row>
</data>
The output I would like to achieve after running the XSLT is
200040 | Auto | 10200.00
200041 | Bike | 1900.00
200045 | Bus | 4800.00
Any help would be greatly appreciated!

Answer 1

A value that contains a comma is not a number and cannot be summed. You need to remove the commas before you attempt to sum the values.
Here's a simplified example:
XSLT 1.0 + EXSLT node-set()
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:exsl="http://exslt.org/common"
extension-element-prefixes="exsl">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes" />
<xsl:key name="a" match="amount" use="#key"/>
<xsl:template match="data">
<!-- first pass: convert amounts to numbers -->
<xsl:variable name="amounts">
<xsl:for-each select="row">
<amount key="{concat(column1, '|', column2)}">
<xsl:value-of select="translate(column3, ',', '')"/>
</amount>
</xsl:for-each>
</xsl:variable>
<!-- output -->
<Output>
<xsl:for-each select="exsl:node-set($amounts)/amount[generate-id() = generate-id(key('a', #key))]">
<Record>
<Detail1>
<xsl:value-of select="substring-before(#key, '|')"/>
</Detail1>
<Detail2>
<xsl:value-of select="substring-after(#key, '|')"/>
</Detail2>
<xsl:variable name="sum" select="sum(key('a', #key))"/>
<Amount>
<xsl:value-of select="format-number($sum, '0.00')"/>
</Amount>
</Record>
</xsl:for-each>
</Output>
</xsl:template>
</xsl:stylesheet>
Applied to your input example, this will produce:
Result
<?xml version="1.0" encoding="UTF-8"?>
<Output>
<Record>
<Detail1>200040</Detail1>
<Detail2>Auto</Detail2>
<Amount>-10200.00</Amount>
</Record>
<Record>
<Detail1>200041</Detail1>
<Detail2>Bike</Detail2>
<Amount>-1900.00</Amount>
</Record>
<Record>
<Detail1>200045</Detail1>
<Detail2>Bus</Detail2>
<Amount>-4800.00</Amount>
</Record>
</Output>
To reverse negative amounts to positive (and vice versa), you could simply change:
<xsl:value-of select="format-number($sum, '0.00')"/>
to:
<xsl:value-of select="format-number(-$sum, '0.00')"/>