traverse the whole tree, build necessary operations as a data structure
allow the user to review the operations, might also fix#2
carry the operations out, ignoring changes to the filesystem during the recursive operation
This could improve reliability:
* traverse the whole tree, build necessary operations as a data structure
* allow the user to review the operations, might also fix #2
* carry the operations out, ignoring changes to the filesystem during the recursive operation
This could improve reliability: