install_pandoc()
{
	echo "Installing pandoc"
	local pandoc_maj="3.1.12"
	local pandoc_min="-1"
	local pandoc_version=$pandoc_maj$pandoc_min
	local pandoc_file="pandoc-$pandoc_version-amd64.deb"
	cd /tmp
	if [[ ! -f $pandoc_file ]]
	then
		    wget https://github.com/jgm/pandoc/releases/download/$pandoc_maj/pandoc-$pandoc_version-amd64.deb
	fi
	apt install ./$pandoc_file
	echo "xx installed pandoc version:$pandoc_version"
	echo "xx check for lastest version in https://github.com/jgm/pandoc/releases"
}

if [[ $(whereis pandoc) == "" ]]
then
	echo "Can't find pandoc"
	install_pandoc
fi