if [[ "$OSTYPE" == "linux-gnu"* ]]; then
		osoptions=""
elif [[ "$OSTYPE" == "darwin"* ]]; then
		osoptions=""
elif [[ "$OSTYPE" == "cygwin" ]]; then
		osoptions="--fail-if-warnings  --eol=lf "
elif [[ "$OSTYPE" == "msys" ]]; then
		osoptions="--fail-if-warnings  --eol=lf "
fi
options=$osoptions"--toc --number-sections --toc-depth=5 --from markdown+smart+raw_html+native_divs+native_spans+fenced_divs+bracketed_spans --to html5 --wrap=preserve --metadata=lang:en  --include-in-header=icon.pandoc --css=$templates/style.css -o"
for f in *.md
do
 len=${#f}
 base=${f:0:($len-3)}
 if [ $f -nt $destdir$base.html ];
 then
	line=""
	for i in 1 2 3 4 5 6
	do
		read line
		if [[ $line =~ katex$ ]];
		then
			katex=" --katex=./"
	 	fi
	done <$f
	pandoc $katex $options $destdir$base.html $base.md
	echo "$base.html from $f"

 #else
 #  echo "       $base.html up to date"
 fi
done