I have just studied
http://www.imagemagick.org/Usage/photos/#exif and experimented with various globbing expression. I found that
Code: Select all
identify -format "%[EXIF:Date*]" hc.jpg
yields no results, but
Code: Select all
identify -format "%[EXIF:*Date*]" hc.jpg
does. I would rather expect the former expression to filter any EXIF data whoose name starts with "Date", whereas the later will return all EXIF data where "Date" appears somewhere in the name. Well, such names don't exist in this very case, but to me there seems to be a bug in the treatment of wildcards (?)