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Re: Variations in XML to CSV

Subject: Re: Variations in XML to CSV
From: Bridger Dyson-Smith <bdysonsmith@xxxxxxxxx>
Date: Thu, 21 Apr 2011 19:06:55 -0400
Re:  Variations in XML to CSV
Hi all,
thanks for the feedback. I clearly don't know enough about XSLT to use
it exclusively to solve my problem(s); however, I was able to use some
simple templates to extract parts of the tree in the right order.

xml:
<root>
 <metadata>
   <title>Alpha</title>
   <subject>Sinister</subject>
   <creator>Beta</creator>
   <subject>Gamma</subject>
   <subject>Delta</subject>
   <subject>Epsilon</subject>
   <date>2011-04-19</date>
   <relation>0012_0001</relation>
 </metadata>
 <metadata>
   <title>Zeta</title>
   <creator>Eta</creator>
   <creator>Theta</creator>
   <contributor>Dexter</contributor>
   <contributor>Iota</contributor>
   <subject>Kappa</subject>
   <subject>Lambda</subject>
   <date>2011-04-19</date>
<relation>0012_0002</relation>
 </metadata>
</root>

xslt:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    exclude-result-prefixes="xs"
    version="2.0">

    <xsl:strip-space elements="*"/>
    <xsl:output method="text"/>

    <xsl:template match="/">
        <xsl:apply-templates/>
    </xsl:template>

    <xsl:template match="metadata">
        <xsl:for-each select=".">
            <xsl:value-of select="normalize-space(title)"
disable-output-escaping="yes"/><xsl:text>&#x9;<xsl:text>
        </xsl:for-each>
    </xsl:template>
</xsl:stylesheet>

I took the output, dropped it into vim and did a line-by-line find &
replace (:%s/\t/\r/g) to columnize the data. I then went back to my
XSLT and added successive templates (commenting out the earlier
templates) to pull the remaining data.

example:
<xsl:template match="metadata">
        <xsl:value-of select="normalize-space(relation)"
disable-output-escaping="yes"/><xsl:text>&#x9;</xsl:text>
        <xsl:for-each select="subject">
            <xsl:value-of select="normalize-space(.)"
disable-output-escaping="yes"/><xsl:text>&#x9;</xsl:text>
        </xsl:for-each>
    </xsl:template>

I had consistent points that I could use (values from relation), so
again in vim :%s/\t0012_0/\r0012_0/g columnized the values and allowed
me to import into an OpenOffice document.

It was, all-in-all, a not very elegant solution but it worked. Thanks
again for the suggestions and feedback!
Cheers,
Bridger

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