Re: [xsl] Using variables in xpath expression

Subject: Re: [xsl] Using variables in xpath expression
From: "Martin Honnen martin.honnen@xxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 19 Jul 2017 13:49:19 -0000
On 19.07.2017 15:17, Joseph L. Casale jcasale@xxxxxxxxxxxxxxxxx wrote:
I have several templates with similar code to the following:

<xsl:template match="wix:Component[wix:File[substring(@Source, string-length(@Source) - 7) = 'MyString']]">

I want to substitute 'MyString' with a variable and the 7 with a "string-length($var) -1"
however the processor complains about the usage of a variable. This is xsl 1 with msxsl.

Is there any way around this so I can avoid hardcoding the string?

If you can't or don't want to move to an XSLT 2.0 processor the only option in XSLT 1 I see is matching only on
<xsl:template match="wix:Component[wix:File]">
<xsl:if test="wix:File[substring(@Source, string-length($var) - 1) = $var2">...</xsl:if>
Depending on other templates you have or need instead of the xsl:if you might want to use an xsl:choose/xsl:when to deal with various conditions.

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