d5fc66
#!/bin/sh
d5fc66
d5fc66
case "$1" in
d5fc66
    -c | --interactive-color)
d5fc66
        ! grep -qsi "^COLOR.*none" /etc/GREP_COLORS
d5fc66
        ;;
d5fc66
    *)
d5fc66
        echo >&2 "Invalid / no option passed, so far only -c | --interactive-color is supported."
d5fc66
        exit 1
d5fc66
        ;;
d5fc66
esac