Parse an XML response in bash, output variables with formatting [duplicate]

Question

So, I need help trying to parse an XML response in Bash. Let's say my response is this. (The response is abridged, but only shows the info I need.)

<?xml version="1.0" encoding="UTF-8"?>
<response>
    <submissions>
        <submission>
            <submission_id><![CDATA[90210]]></submission_id>
            <last_file_update_datetime><![CDATA[2017-06-18 02:47:14.39864+02]]></last_file_update_datetime>
        </submission>
        <submission>
            <submission_id><![CDATA[90211]]></submission_id>
            <last_file_update_datetime><![CDATA[2017-06-11 15:48:04.279135+02]]></last_file_update_datetime>
        </submission>
    </submissions>
</response>

I want to parse for each block in <submissions>, and export the data into an array in this format:

{submission_id}#{last_file_update_datetime}#1

As an example, the response should look like this when parsed:

90210#2017-06-18 02:47:14.39864+02#1
90211#2017-06-11 15:48:04.279135+02#1

How can I perform this in Bash?

Here are a couple other possibly duplicate questions: stackoverflow.com/questions/893585/how-to-parse-xml-in-bash stackoverflow.com/questions/2222150/… stackoverflow.com/questions/17333755/… stackoverflow.com/questions/20248037/read-from-xml-to-bash — Jerry Jeremiah
– Jerry Jeremiah, Commented Jun 18, 2017 at 21:34

Mark · Accepted Answer · 2017-09-25 14:20:32Z

I have found my in experience that problems that involve reformatting XML are best handled with XSLT. I don't know if xsltproc is on your box, but if it is, here is some code that will get you what you want:

$ xsltproc stylesheet.xsl input.xml


        90210#2017-06-18 02:47:14.39864+02
        90211#2017-06-11 15:48:04.279135+02


~
$ cat stylesheet.xsl
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >

<xsl:output method="text" />

<xsl:template match="//submission">
  <xsl:value-of select="submission_id"/>#<xsl:value-of select="last_file_update_datetime"/>
</xsl:template>

</xsl:stylesheet>


$ cat input.xml
<?xml version="1.0" encoding="UTF-8"?>
<response>
    <submissions>
        <submission>
            <submission_id><![CDATA[90210]]></submission_id>
            <last_file_update_datetime><![CDATA[2017-06-18 02:47:14.39864+02]]></last_file_update_datetime>
        </submission>
        <submission>
            <submission_id><![CDATA[90211]]></submission_id>
            <last_file_update_datetime><![CDATA[2017-06-11 15:48:04.279135+02]]></last_file_update_datetime>
        </submission>
    </submissions>
</response>

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