Tagged: xmllint
Validating XML Schema document itself
$ wget https://www.w3.org/2001/XMLSchema.xsd $ xmllint --schema XMLSchema.xsd some.xsd
formatting XML in console
user@host:~$ cat xml.xml <a><b>c</b></a> user@host:~$ xmllint xml.xml <?xml version="1.0"?> <a><b>c</b></a> user@host:~$ cat xml.xml | xmllint --format - <?xml version="1.0"?> <a> <b>c</b> </a> user@host:~$