This is a simple command-line tool for adding/removing metadata tags from one or more XDF files. You can run it as in the (deliberately complex) example:
xdf-tagger.py --set subject.name="My Name" --set subject.id=subj001 --clear subject.handedness --show subject.age *.xdf
You can also run it as:
python xdf-tagger.py <command-line arguments>
This script writes tags into a stream named Metadata, with type Metadata,
which will be created if not already present. This way, tags managed by this
script are sandboxed from other meta-data.
The script can be used to associate, for instance, human-subject or experiment metadata as defined in the XDF specification.