one instance, if two or more threads accessed a method at the same time.

state. Image.save ensures that file name has an extension. MGHImage uses both
of these changes so that its initial save state is accurate, and when it
is saved, it is saved as a nifti

  - if moving a file from a group, need to remove the entire group
  - Special test for when dest is a non-existent directory

dirname. Make it abs

called() to get the function.

check data shape, and raise if bad.

files. Adjustment to gifti.relatedFiles.

used

the vertex set changes.

file path for vertex data key.