python script to mass rewrite files based on the non-case-sensitive search term
>>> import os
>>> from glob import glob
>>> for fname in filelist:
... flow = fname.lower()
... fsplit,fext = flow.split('.')
... fsplit = fsplit.split('-')
... if fsplit[1] == 'main':
... os.rename(fname,fsplit[0]+'.orig.'+fext)
... print fname,'::',fsplit[0]+'.orig.'+fext
...
