xmlstarlet

XML command-line utilities for querying, editing, and transforming XML

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XML command-line utilities

xml

Extract text from an XML element using XPath$ xml sel -t -v '//title' document.xml

Edit XML by updating an attribute value$ xml ed -u '//book[@id="1"]/@author' -v 'New Author' input.xml

Validate XML against a schema$ xml val -e schema.xsd document.xml