dmenu-scripts/dmenu-screenshot

#!/bin/sh

# It lets you choose the kind of screenshot to take, including
# copying the image or even highlighting an area to copy.
load_config () {
    . $HOME/.config/dmenu/config
}

menu () {
    case "$(printf "a selected area\\nfull screen" | $DMENU -l 6 -p "Screenshot which area?")" in
        "a selected area") sleep 0.5; maim -m 2 -s $dir/pic-selected-"$(date '+%y%m%d-%H%M-%S').png" ;;
        "full screen") sleep 0.5; maim -m 2 $dir/pic-full-"$(date '+%y%m%d-%H%M-%S').png" ;;
    esac
}

main () {
    dir="$HOME/pics/screenshots"
    [ ! -d "$dir" ] && mkdir $dir -p

    load_config

    menu
}

main $@