exifrename renames or copies files based on EXIF data.
exifrename -f FORMAT FILES
You can also see what would be changed first using --dry-run. See --help
for more options.
How to specify FORMAT can also be found in --help.
exifrename has a strong focus on performance. On a sample modern laptop with a
mid-spec SSD, we take 0.02 seconds to produce new names for over 5000 files
with the format {year}{month}{day}_{hour}{minute}{second}.