pictil.py (pictil in the command line) is a Python utility for managing the names and numbering of files output by Nikon cameras. Generally, they follow the format of "DSC_0000.MOV/.JPG." This utility allows the user to easily change the numbering of those files.
pictil is istalled via PyPI/pip
pip install pictil
To rename files, simply call pictil from the folder with the files that you wish to rename.
E:\Workspace\pictil\test>pictil
> Enter the starting number ####: 1234
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> The starting number is: 1234
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> Preparing Files
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> E:\Workspace\pictil\test\DSC_0208.JPG -> E:\Workspace\pictil\test\DSC_1234.JPG
> E:\Workspace\pictil\test\DSC_0215.JPG -> E:\Workspace\pictil\test\DSC_1235.JPG
> E:\Workspace\pictil\test\DSC_0216.JPG -> E:\Workspace\pictil\test\DSC_1236.JPG
> E:\Workspace\pictil\test\DSC_0374.MOV -> E:\Workspace\pictil\test\DSC_1237.MOV