libxslt

C XSLT library for transforming XML documents using stylesheets

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C XSLT library for GNOME

xsltproc

Transform an XML file using an XSLT stylesheet$ xsltproc stylesheet.xsl input.xml > output.xml

Apply XSLT transformation with parameters$ xsltproc --stringparam name value stylesheet.xsl input.xml

Validate and transform XML with output formatting$ xsltproc -o output.html styles/template.xsl data.xml