xpath query to process XML output

I am trying to process some XML output on a Juniper router through slax. The following is the XML data that I am working on.

<filesystem>
<filesystem-name>/dev/ad2s1f</filesystem-name>
<total-blocks junos:format="34G">70754788</total-blocks>
<used-blocks junos:format="5.6G">11800836</used-blocks>
<available-blocks junos:format="25G">53293572</available-blocks>
<used-percent> 18</used-percent>
<mounted-on>/var</mounted-on>
</filesystem>


I want to get available-blocks attribute value of "25G". @attribute is not working for me or my syntax is wrong. Can anyone help with a xpath query? I'm looking for something like this:

available-blocks

"25G"

@attribute

var $test = $var_data/available-blocks[@*];


1 Answer
1

Is your xmlns defined? Then it should be as easy as:

<configuration xmlns:junos="junos">
<filesystem>
<filesystem-name>/dev/ad2s1f</filesystem-name>
<total-blocks junos:format="34G">70754788</total-blocks>
<used-blocks junos:format="5.6G">11800836</used-blocks>
<available-blocks junos:format="25G">53293572</available-blocks>
<used-percent> 18</used-percent>
<mounted-on>/var</mounted-on>
</filesystem>
</configuration>


Xpath 2.0:

//available-blocks/@*


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