Screenshot utility. More information: https://manned.org/maim.
maim {{path/to/screenshot.png}}
maim {{[-s|--select]}} {{path/to/screenshot.png}}
xclip):maim {{[-s|--select]}} | xclip {{[-se|-selection]}} {{[c|clipboard]}} {{[-t|-target]}} image/png
xdotool):maim {{[-i|--window]}} $(xdotool getactivewindow) {{path/to/screenshot.png}}