colortest - print terminal foreground/background color combinations in a 16x16 (80 chars x 16 lines) grid

colortest.sh

colortest() {
	echo "$(tput setaf 1)1 $(tput setaf 2)2 $(tput setaf 3)3 $(tput setaf 4)4 $(tput setaf 5)5 $(tput setaf 6)6 $(tput setaf 7)7 $(tput setaf 8)8 $(tput setaf 9)9 $(tput setaf 10)10 $(tput setaf 11)11 $(tput setaf 12)12 $(tput setaf 13)13 $(tput setaf 14)14 $(tput setaf 15)15 $(tput setaf 16)16 $(tput sgr0)"
	local FCR=$(tput setaf 1)
	local FCG=$(tput setaf 2)
	local FCY=$(tput setaf 3)
	local FCB=$(tput setaf 4)
	local FCM=$(tput setaf 5)
	local FCC=$(tput setaf 6)
	local FCW=$(tput setaf 7)
	local FCK=$(tput setaf 8)
	local FHR=$(tput setaf 9)
	local FHG=$(tput setaf 10)
	local FHY=$(tput setaf 11)
	local FHB=$(tput setaf 12)
	local FHM=$(tput setaf 13)
	local FHC=$(tput setaf 14)
	local FHW=$(tput setaf 15)
	local FHK=$(tput setaf 16)
	local BCR=$(tput setab 1)
	local BCG=$(tput setab 2)
	local BCY=$(tput setab 3)
	local BCB=$(tput setab 4)
	local BCM=$(tput setab 5)
	local BCC=$(tput setab 6)
	local BCW=$(tput setab 7)
	local BCK=$(tput setab 8)
	local BHR=$(tput setab 9)
	local BHG=$(tput setab 10)
	local BHY=$(tput setab 11)
	local BHB=$(tput setab 12)
	local BHM=$(tput setab 13)
	local BHC=$(tput setab 14)
	local BHW=$(tput setab 15)
	local BHK=$(tput setab 16)
	local CX=`tput sgr0`
	clfg=("$FCR" "$FCG" "$FCY" "$FCB" "$FCM" "$FCC" "$FCW" "$FCK" "$FHR" "$FHG" "$FHY" "$FHB" "$FHM" "$FHC" "$FHW" "$FHK")
	clbg=("$BCR" "$BCG" "$BCY" "$BCB" "$BCM" "$BCC" "$BCW" "$BCK" "$BHR" "$BHG" "$BHY" "$BHB" "$BHM" "$BHC" "$BHW" "$BHK")
	local ctest="  ▲  "
	local cout=""

	for ifg in "${clfg[@]}"; do
		cout="${cout}${ifg}"
		for ibg in "${clbg[@]}"; do
			cout="${cout}${ibg}${ctest}"
		done
		cout="$cout$CX\n"
	done

	printf "$cout"
}

colortest

probably a way to do this with about 32 fewer variables but whatever