SYNO.FileStation.CheckExist returns error 400 for every parameter format on
this DSM firmware, so the tool falls back to SYNO.FileStation.List::getinfo.
DSM returns an entry per requested path with name=None for non-existent paths,
which provides a reliable exists/not-exists signal.
Accepts a single path or a comma-separated list; returns a table of
Path | Exists (Yes/No) with a count footer.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
marcus
dbab842738