jpegexiforient --version (return code: 0)
jpegexiforient
jpegexiforient --help (return code: 0)
jpegexiforient reads or writes the Exif Orientation Tag in a JPEG Exif file.
Usage: jpegexiforient [switches] jpegfile
Switches:
--help display this help and exit
--version output version information and exit
-n Do not output the trailing newline
-1 .. -8 Set orientation value 1 .. 8