Convert data to base64 and copy it to clipboard on OSX

gistfile1.txt

2base64 () {
	filename=$1;
	extension="${filename##*.}";
	filename="${filename%.*}";
	footer='" />';
	header='<img width="100%" border="0" src="data:image/'$extension';base64,';
	echo 'Converting '$1' to Base64 string.';
	data=$(openssl base64 -in $1);
	echo $header$data$footer | pbcopy;
}