A simple script to merge two directories, eliminating duplicate files, and renaming files with the same name but different content.
python merge.py [options]
-h, --help Show this help file
-k, --keep The directory to keep
-c, --clean The directory to clean
-v Run verbosely
merge.py --keep a --clean b
After execution, a will contain at least all its original files,
plus any files from b which did not appear in a beforehand.
b will be empty, all its files having been moved or deleted.