output.txt

fruit1: apple
fruit2: pear
fruit3: banana
fruit4: cherry
:
{/f:for}

template.html

<ul>
  <f:for each="{value}" as="fruit" key="label">
		<li>{label}: {fruit}</li>
	</f:for>
</ul>
<ul>
	{f:for(each: value,as:'fruit',key:'label')}
		<li>{label}: {fruit}</li>
	{/f:for}
</ul>