'xmlstarlet output with quotes

I have a list of XPath queries modeled in an XML file as follows (querylist.xml) :

<queries>
    <query id="1" project="docbook" xpath=".//@id|.//@xml:id"/> 
    <query id="2" project="docbook" xpath="descendant::h:span[@data-type='footnote']"/>
</queries>

And I am using xmlstarlet in makefile to list and run the xpath queries on files with the same project attribute name, using for example:

Update-Makefile content:

QUERYLIST0 = $(shell xmlstarlet sel -t -m "//query[@project='docbook']/@id" -v "concat(., ' ')"  querylist.xml)
QUERYLIST1 = $(shell xmlstarlet sel -t -m "//query[@project='docbook']/@xpath" -v "concat(., ' ')"  querylist.xml)

echoq:
    @echo $(QUERYLIST0)
    @echo $(QUERYLIST1)

But I am unable to list the xpath attribute queries whenever it has single quotes(ex: 'footnote'), How can I keep the attribute value as is, even when containing single quotes?

The output should be a list separated by a space:

.//@id|.//@xml:id descendant::h:span[@data-type='footnote']
xmlmakefilexmlstarlet


Solution 1:[1]

I checked your command on the bash shell as well as in a bash script. It worked in both cases - with the slight modification of omitting the "shell" part after the $(...:

  1. On command line:

    xmlstarlet sel -T -t -m "//query[@project='docbook']/@xpath" -v "concat(.,' ')"  querylist.xml

    does work.

  2. And on the bash shell the script

    #!/bin/bash
RES=$(xmlstarlet sel -T -t -m "//query[@project='docbook']/@xpath" -v "concat(.,' ')"  querylist.xml)
echo $RES

    does work, too.

In both cases the result is

.//@id|.//@xml:id descendant::h:span[@data-type='footnote']

as desired.

Solution 2:[2]

<?xml version="1.0"?>
    <queries>
      <query id="1" project="docbook" xpath=".//@id|.//@xml:id"/>
      <query id="2" project="docbook" xpath="descendant::h:span[@data-type='footnote']"/>
    </queries>

$ xml sel -t -m queries/query[@project='docbook'] -v @xpath -i "number(count(preceding::query[@project='docbook']))+1<number(count(./../query[@project='docbook']))" -o " " -b file.xml


.//@id|.//@xml:id descendant::h:span[@data-type='footnote']

Sources

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Source: Stack Overflow

Solution Source
Solution 1 zx485
Solution 2 focog77269

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