Hello, Alejandro,

perhaps it is interesting for you that there is a BaseX-based open source project [1]  supporting a free mixing of node tree and file system navigation, using two different operators (/ for file system navigation, \ for node tree navigation; they can be swapped, using option -b). 

Example 1: File system navigation with descendant axis and predicates:

fox "samples//*[*.csv]"
=>
C:/Program Files/Oxygen XML Editor 19/samples/import/text

Example 2: As before, predicates inspecting document contents:

fox "samples//*[*.dita\learningContent]"
=>
C:/Program Files/Oxygen XML Editor 19/samples/dita/learning

Example 3: Navigate to files, continue navigation into their content (/ followed by \):

fox "samples//*.dita\*\name() => freq()"
=>
concept ........... (52)
glossentry ........ (8)
learningAssessment  (1)
learningContent ... (1)
learningOverview .. (2)
learningPlan ...... (1)
learningSummary ... (1)
reference ......... (28)
task .............. (64)
topic ............. (67)
troubleshooting ... (1)

Also worth mentioning - a wealth of analytical functions complementing the navigational power, like the frequencies() function of the preceding example, or ftree-view(), presenting a tree view of selected file system resources:

Example 4: Select documents and create a tree view of what has been selected:

fox "samples//*.dita[\task] => ftree-view()"
=>
<ftree context="C:/Program Files/Oxygen XML Editor 19/samples" countFo="14" countFi="64">
  <fo name="dita">
    <fo name="flowers">
      <fo name="tasks">
        <fi name="gardenPreparation.dita"/>
        <fi name="pruning.dita"/>
      </fo>
    </fo>
    <fo name="garage">
      <fo name="tasks">
        <fi name="carMaintenance.dita"/>
        ...

The examples are but the tip of an Iceberg.

With kind regards -
Hans-Jürgen

PS: Foxpath can also navigate BaseX databases, just like file system contents, e.g.

fox "basex://gidocs//*[\\*:table\\*:table]"
=>
basex://gidocs/gi/bmotors/678003/20210505-104638/gi_678003_gi40_20210505-104638.xml
basex://gidocs/gi/cgear/678003/20210505-104638/gi_678003_gibook_20210505-104638.xml


[1] https://github.com/hrennau/foxpath 

Am Sonntag, 18. Dezember 2022 um 19:19:13 MEZ hat Alejandro Garcia <agarciafdz@gmail.com> Folgendes geschrieben:


I've been reading Alexander Holupirek, 2012:
Declarative Access to Filesystem Data

Thesis and I think it is very interesting and very relevant today in an era of people wanting to build a "second brain".

Thanks in advance