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Xml_grep get attribute from element

Is it possible (and if so, how) with xml_grep to get the value of a specific attribute from a specific element? I only seem to be able to output information between tags.

Example:

    <eid>
       <identity nationalnumber="13021912354" dateofbirth="20130219" gender="male">
          <name>Menten</name>
          <firstname>Kasper</firstname>
          <middlenames>Marie J</middlenames>
          <nationality>Belg</nationality>
          <placeofbirth>Sint-Truiden</placeofbirth>
          <photo>base64-string</photo>
       </identity>
    </eid>

outputs the value (in this case: 13021912354) of the "nationalnumber" attribute from the "identity" element

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2 answers


From xmllint

:

xmllint --xpath 'string(//identity/@nationalnumber)' file.xml


For debian, distro (or derivatives) xmllint

is part of the package libxml2-utils

and can be installed like this:

apt-get install libxml2-utils

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The version of xmllint installed on RHEL6.3 doesn't seem to have this --xpath option. Which version of xmllint supports this option?



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