Renrot is utility written on perl, it's aim is to do different processing tasks upon the files (especially those containing EXIF data).
Renrot renames files according the flexible name template (allowing DateTimeOriginal and FileModifyDate EXIF tags, if they exist, otherwise, the name will be set according to the current timestamp). Further, renrot can aggregate files according shooting time period or given template.
Additionally, it can lossless rotate JPEGs and their thumbnails, accordingly Orientation EXIF tag or given angle.
The script can also put commentary into the Commentary and UserComment tags. Personal details can be specified via XMP tags defined in a configuration file.
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