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XSL: how to copy entire node but replace contents of one given element?

Posted on 2014-02-18
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Last Modified: 2014-02-19
I want to copy over all instances of an xml input but replace the contents (by substring) of one of the elements <Iden> with digital value only.

<Bill>
	<FOP>
		<Iden>R2</Iden>
		<CreditCard>
			<CCCode>DC</CCCode>
			<CCNum>1212301</CCNum>
			<CCExp>
				<Month>2</Month>
				<Year>12</Year>
			</CCExp>
			<Fname>JOHN</Fname>
			<Lname>SMITH</Lname>
		</CreditCard>
	</FOP>
	<Addr Use="T">
		<Iden>R1</Iden>
		<Street>720 W 10 ST</Street>
	</Addr>
</Bill>

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will become
<Bill>
	<FOP>
		<Iden>2</Iden>
		<CreditCard>
			<CCCode>DC</CCCode>
			<CCNum>1212301</CCNum>
			<CCExp>
				<Month>2</Month>
				<Year>12</Year>
			</CCExp>
			<Fname>JOHN</Fname>
			<Lname>SMITH</Lname>
		</CreditCard>
	</FOP>
	<Addr Use="T">
		<Iden>1</Iden>
		<Street>720 W 10 ST</Street>
	</Addr>
</Bill>

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0
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Question by:badtz7229
  • 2
5 Comments
 
LVL 35

Accepted Solution

by:
mccarl earned 300 total points
ID: 39869420
Is something like this what you are after...
<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
	<xsl:output method="xml" indent="yes"/>
	<xsl:template match="Iden" priority="1">
		<xsl:copy>
			<xsl:value-of select="substring(., 2)" />
		</xsl:copy>
	</xsl:template>
	<xsl:template match="@*|node()">
		<xsl:copy>
			<xsl:apply-templates select="@*|node()"/>
		</xsl:copy>
	</xsl:template>
</xsl:stylesheet>

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Note that it only removes the first character from the <Iden> element's text content. It uses "substring" because you mentioned that in your question. It won't check to see if that first character is a digit/non-digit, or indeed if other characters in the string are non-digits.

If you are 100% sure that 100% of the time you will always have one non-digit followed by one or more digits, then the above will work. Otherwise let me know and list the other possibilities that you might get and we can resolve this in other ways.
0
 
LVL 60

Assisted Solution

by:Geert Bormans
Geert Bormans earned 200 total points
ID: 39869597
A general approach for mainaining digits only would be removing the others with translate

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

    <xsl:template match="node()">
        <xsl:copy>
            <xsl:copy-of select="@*"/>
            <xsl:apply-templates select="node()"/>
        </xsl:copy>
    </xsl:template>
    
    <xsl:template match="Iden">
        <xsl:copy>
            <xsl:copy-of select="@*"/>
            <xsl:value-of select="translate(., translate(.,'0123456789', ''), '')" />
        </xsl:copy>
    </xsl:template>
    
</xsl:stylesheet> 

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Author Closing Comment

by:badtz7229
ID: 39870479
thank you both. i went with @mccarl approach.
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LVL 35

Expert Comment

by:mccarl
ID: 39872228
No worries, glad to help!  :)
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