Preview content inside files using `fzf`

zshrc.sh

# fzf improvement to preview content from files
function fzf-lovely(){
	fzf -m --preview '[[ $(file --mime {}) =~ binary ]] &&
		echo {} is a binary file ||
		(bat --style=numbers --color=always {} ||
		highlight -O ansi -l {} ||
		coderay {} ||
		rougify {} ||
		cat {}) 2> /dev/null | head -500'
}