timestamp_photo takes a number of images (or other files) and renames them based on their EXIF timestamps. If a file does not contain EXIF data, then its modified time is used.
timestamp_photo [-s STN] [-d DIRECTORY] [-v] file1 [file2 ... fileN]
Set the file prefix to STN. If none is given then it is inferred from the current directory like a station code.
Move all files to the given directory (even if they are not renamed).
Print verbose output as files are renamed.
The list of files to rename.
timestamp_photo -s AMY picture.jpg