Generate index file(.html) with links to *.html files in a directory.

html_index () {
	echo "" > index.html

	local o=$IFS
	IFS=$(echo -en "\n\b")

	for file in `ls *.html`
	do
		echo "<a href='$file' target='_blank'>`basename $file .html`</a><br />" >> index.html
	done

	IFS=o
}