getting the output of string() in the xmllint shell

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.

I noticed that the xpath command in the shell behaves differently than
the *xmllint --xpath* on the command line. For example if I want to
extract only the string portion of an attribute I use:

  xmllint --xpath "string(//node)"

When I want to do the same in the shell, I must use the *xpath* command,
because the *cat* command only supports node addresses.

  xpath "string(//node)"

Unfortunately the xpath command gives an output like:

  Object is a string : http://purl.obolibrary.org/obo/DOID_8545...

Is it possible to get a clean output with xmllint without using other tools?

Gökçe

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