Listing 3. Sorting Your Output

$ fls --show-ea=width,height,size,name \
  --ferris-sort='(:#:height)(:V:name)'
48      48      1968    gnome-warning.png
48      48      3253    gnome-xterm.png
48      48      2550    gtkvim.png
48      46      4589    emacs.png
48      46      4589    foo3.png
48      46      4589    foo20.png