extract moodle course participants by group name

script.js

$(".cell.c4")                                                                  // select every table cell in fourth column (group)
  .filter((k, e) => $(e).text() !== "Gruppe 2")                                // filter participants not in specified group
  .parent().find(".c1")                                                        // select table cell in first column (name)
  .filter((k, e) => $(e).text())                                               // filter rows with empty names
  .map((k, e) => "rm -rf " + $(e).text().trim().replaceAll(" ", "\\ ") + "_*") // map to linux rm command
  .toArray()                                                                   // convert to javascript array
  .reduce((a, v) => a + v + "\n", "")                                          // reduce to single string