On 2019-12-21 09:28, Daniel Veillard wrote: > On Fri, Dec 20, 2019 at 12:46:23PM +0100, Gökçe Aydos wrote: >> I use xmllint in my command-line scripts. The default mode of xmllint >> does not support namespaces, so when I must deal with XML files with >> namespaces I use the --shell mode of xmllint. > > That sounds ... wrong
Is xmllint not meant for using as a command-line tool? Can you please
elaborate on your answer?
> ...
> your request is very confusing but you should be able to get the string
> value of the attributes directly by using an XPath looking for that
attribute
My example was probably not clear enough and misleading. I'll try with
another example:
example.xml:
<?xml version="1.0"?>
<rdf:RDF
xmlns:ns="#"
xmlns:rdf="#"
>
<ns:n rdf:a="this is a very very very very very very long
string">text</ns:n>
</rdf:RDF>
To extract the value of the rdf:a attribute, I would use:
xmllint --xpath 'string(//ns:n/@rdf:a)' example.xml
But this errors out, because the plain xmllint does not support namespaces:
XPath error : Undefined namespace prefix
XPath evaluation failure
That is the reason why I use the shell mode:
echo -e "setrootns\nxpath string(//ns:n/@rdf:a)" | xmllint --shell
example.xml
The result is truncated and not clean:
/ > / > Object is a string : this is a very very very very very very ...
/ >
Does someone have a better idea on how to get attribute values using
xmllint?
Gökçe
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