Gimp = gimp %s   # edit current image using Gimp
RAW Therapee = rawtherapee %s    # RAW file processing tool
auto-gamma = mogrify -auto-gamma %s    # apply auto gamma curve 
drawing = mogrify -morphology Convolve DoG:15,100,0 -negate -normalize -level 60%,91%,0.1 %s 
MPO left = exiftool %s -mpimage2 -b > %s-left.jpg   # extract left image from .MPO file 3D pair
MPO right = exiftool -trailer:all= %s -o %s-right.jpg   # extract right image from .MPO file 3D pair
