TkSync
Compress and sync files with Google Drive/DropBox/etc.
...Uses ~/TkSyncDrive/ directory at same level as ~/CloudDrive for plain originals.
Compares time stamp of compessed files in ~/CloudDrive/TKSyncCompressed/ to files in
~/TkSync/ directories. Newer plain files replace older compressed file or vica versa.
Files in ~/TkSyncDrive/ directories that have common compression file extensions will
be placed into ~/CloudDrive/TKSyncCompressed/ unchanged.