xpath - print text inside <project><groupId>..</groupId> and <project><parent><groupId>..</groupId> -


i need list text inside these 2 elements in many pom.xml in directory tree. files may contain element @ other places too, looking content of these two.

ideally, looking tool outputs in format <file-name>:<line-no>:<path>:<text>, e.g.

parent/pom.xml:12:/project/groupid:com.acme.project features/persist/pom.xml:14:/project/parent/groupid:com.acme.project features/persist/pom.xml:32:/project/groupid:com.acme.project.persist

for following input files:

**parent/pom/xml** <project>  ...   <groupid>   com.acme.project <!--line 12 -->    </groupid> ... </project>  **feature/persist/pom.xml** <project>   <parent>     <groupid>     com.acme.project <!--line 14 -->      </groupid>   </parent>   ...   <groupid>   com.acme.project   </groupid>   <dependencymanagement>     <dependencies>       <dependency>         <groupid>         a.b.c.d <!-- not listed in output -->         </groupid>       </dependency>     </dependencies>   </dependencymanagement> </project>

note other paths such dependencymanagement/dependencies/dependency/groupid not included.

searching here on came across xmllint --xpath , don't know enough xpath figure out myself.

try xpath 2.0 compatible query without line numbers, checks query paths matching <groupid/> elements , prints document name, constructs (not unique) path , adds contents of element.

(//project/parent | //project)/groupid/string-join(   (     base-uri(),     string-join(('', .//ancestor-or-self::*/name()), '/'),     data(.)   ), ':')

you run using basex collection example (like did testing), contains xml files want query.

  1. run command create collection: create db xmldocs /path/to/xml-files
  2. query database using above xpath

there different ways run query, have @ standalone mode manual.

the query should run in other xpath 2.0 compatible engines saxon (which support line numbers, see comment above).


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