jhead: манипуляции с EXIF'ом из командной строки

Утилита командной строки jhead для работы с EXIF'ом в JPEG'ах.

Цитата со страницы программы:

Things jhead can extract from an Exif jpeg file

• Time and date picture was taken
• Camera make and model
• Integral low-res Exif thumbnail
• Shutter speed
• Camera F-stop number
• Flash used (yes/no)
• Distance camera was focused at
• Focal length and calculate 35 mm equivalent focal length
• Image resolution
• GPS info, if stored in image
• IPTC header
• XMP data

Things jhead can modify in an exif jpeg file

• Up-right images according to rotation tag using jpegtran
• Set or relative adjust internal exif timestamps
• Fix date / time offsets in large batches of images
• Re-name or date stamp files according to exif timestamp
• Transfer exif headers between images
• Replace thumbnails inside Exif headers
• Edit jpeg comments (but not the Exif comments)
• Delete exif or comment sections from jpeg images
• Create new minimal exif header containing date and thumbnail