zsh: run operations on files while showing progress

progress.zsh

files=(*.foo)
for i in {1..$#files}; do
	file=$files[$i]
	pad=${#${#files}}
	printf "\e[2K\e[G ‣ %${pad}d / %${pad}d: %s" $i $#files $file
	{
		# do stuff with file here
	} &>/dev/null
done
echo