tldr/pages/common/xml-validate.md

xml-validate

XMLStarlet toolkit: Validate XML documents. More information: http://xmlstar.sourceforge.net/docs.php.

• Validate XML document for well-formedness only (default):

xml validate --well-formed {{path/to/input1.xml|URI}} {{input2.xml ...}}

• Validate XML document against Document Type Definition (DTD):

xml validate --dtd {{path/to/schema.dtd}} {{path/to/input1.xml|URI}} {{input2.xml ...}}

• Validate XML document against XML Schema Definition (XSD):

xml validate --xsd {{path/to/schema.xsd}} {{path/to/input1.xml|URI}} {{input2.xml ...}}

• Validate XML document against a Relax NG schema (RNG):

xml validate --relaxng {{path/to/schema.rng}} {{path/to/input1.xml|URI}} {{input2.xml ...}}

• Display help for validate subcommand:

xml validate --help