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smv (safe mv) is a simple safety wrapper around mv(1).

Sorting through backup files can be nerve-racking. You may have different files with the same name and the same file with different names. Dupe-finding tools are great, but you still have the problem of sorting through your 20 Untitled.docx files.

With smv you can safely organize your files into directories without overwriting files of the same name.

smv behaves exactly like mv(1), with the following exceptions:

1. If the source is a duplicate of the target, the source file will be deleted.
2. If the source and target have the same name, and different content, the file will be moved to TARGET_$(date '+%Y-%m-%d_%H-%M-%S').
3. If the source and target are both directories, their contents will be safely merged together.
4. smv accepts no flags.

Example

$ ls -1 SOURCE/
  FILE_A
  FILE_B
  FILE_C
$ ls -1 TARGET/
  FILE_B
  FILE_C
$ smv SOURCE/* TARGET/
$ ls -1 SOURCE/
$ ls -1 TARGET/
  FILE_A
  FILE_B
  FILE_C
  FILE_C_2018-01-01_21-56-09