magick-identify
Describe the format and characteristics of image files.
TLDR
Describe the format and basic characteristics of an image
$ magick identify [path/to/image]
Describe the format and verbose characteristics of an image
$ magick identify -verbose [path/to/image]
Collect dimensions of all JPEG files in the current directory and save them into a CSV file
$ magick identify -format "[%f,%w,%h\n]" [*.jpg] > [path/to/filelist.csv]