[Feature] Add filepaths checked to verbose msg

doc/whatsnew/fragments/9357.feature

@@ -0,0 +1,4 @@
+The verbose option now outputs the filenames of the files that have been checked.
+Previously, it only included the number of checked and skipped files.
+
+Closes #9357

pylint/lint/pylinter.py

@@ -749,6 +749,7 @@ def _lint_files(
                 continue
             try:
                 self._lint_file(fileitem, module, check_astroid_module)
+                self.stats.modules_names.add(fileitem.filepath)
             except Exception as ex:  # pylint: disable=broad-except
                 template_path = prepare_crash_report(
                     ex, fileitem.filepath, self.crash_file_path
@@ -1141,7 +1142,11 @@ def _report_evaluation(self, verbose: bool = False) -> int | None:
             if verbose:
                 checked_files_count = self.stats.node_count["module"]
                 unchecked_files_count = self.stats.undocumented["module"]
-                msg += f"\nChecked {checked_files_count} files, skipped {unchecked_files_count} files"
+                checked_files = ", ".join(self.stats.modules_names)
+                msg += (
+                    f"\nChecked {checked_files_count} files ({checked_files}),"
+                    f" skipped {unchecked_files_count} files"
+                )
 
         if self.config.score:
             sect = report_nodes.EvaluationSection(msg)

pylint/utils/linterstats.py

@@ -109,6 +109,7 @@ def __init__(
         self.code_type_count = code_type_count or CodeTypeCount(
             code=0, comment=0, docstring=0, empty=0, total=0
         )
+        self.modules_names: set[str] = set()
 
         self.dependencies: dict[str, set[str]] = dependencies or {}
         self.duplicated_lines = duplicated_lines or DuplicatedLines(

tests/test_self.py

@@ -222,7 +222,10 @@ def test_disable_all(self) -> None:
     def test_output_with_verbose(self) -> None:
         out = StringIO()
         self._runtest([UNNECESSARY_LAMBDA, "--verbose"], out=out, code=4)
-        assert "Checked 1 files, skipped 0 files" in out.getvalue().strip()
+        stripped = out.getvalue().strip()
+        assert "Checked 1 files" in stripped
+        assert "unnecessary_lambda.py" in stripped
+        assert "skipped 0 files" in stripped
 
     def test_no_out_encoding(self) -> None:
         """Test redirection of stdout with non ascii characters."""