======Command xvalidate======

====Name====
**xvalidate** validates an xml document against a schema

====Synopsis====
xvalidate [ [[SerializationOptions serialization options]] ] [options] [file]

====Options====

||-xsd schema.xsd||Validates against a single W3C schema files in no namespace||
||-xsd "URI schema.xsd [...]"||Validates against one or more W3C schema files in namespaces||
||-dtd schema.dtd||Validates against a XML DTD file||
||-rng schema.rng||Validates against an RNG schema file||
||-schematron schematron.xml|| validates against a schematron description||

Supports the standard [ [[SerializationOptions serialization options]] ]

====Description====
validates an xml document against a schema.
Forcibly ignores any DTD schema specified in the DOCTYPE instruction.

===xsd validation===
Validates an xml document against one or more xsd schemas.
If the first form is used then the schema is used as the "no namespace" schema.
If the second form is used then one or more URI/schema pairs are used as namespace schemas for validation.
XSD validation uses the [[CommandXsdvalidate xsdvalidate]] command.


===dtd validation===
Validations against the specified DTD and ignores any DTD in the DOCTYPE processing instruction.

===rng validation===
rng validation uses the [[CommandRngvalidate rngvalidate]] command. See that command for details on the options.

===schematron validation===
schematron validation uses the [[CommandSchematron schematron]] command




If no files are specified, then stdin is read.
If one file is specified it is used as XML input.

====Return Value====
Returns 0 (true) if validation is successful.
Returns 1 (fail) if validation fails and prints any validation errors on stderr

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[[Commands]]
[[CategoryCommands]]