Simple Markdown to HTML Shell Script

to_html.sh

#! /bin/bash
# Simple script to convert markdown to html and apply some basic styles to headings and code snippets
# Written for PopOs and other Linux distros using dpkg as package manager
# Used for styling Moodle posts written in markdown
# pandoc must be installed for this script to work.

# first check if pandoc is installed
if dpkg -s pandoc | grep -q "install ok installed"
then
	pandoc $1 -f markdown-auto_identifiers -t html -o $2
	sed --in-place 's/<h2>/<h2 style="font-size:22px; color: #000; font-weight:600">/' $2
	sed --in-place 's/<h3>/<h3 style="font-size:20px; color: #111; font-weight:600">/' $2
	sed --in-place 's/<h4>/<h4 style="font-size:18px; color: #222; font-weight:600">/' $2
	sed --in-place 's/<h5>/<h5 style="font-size:16px; color: #333; font-weight:600">/' $2
	sed --in-place 's/<pre /<pre style="padding: 8px 16px; color:#f5d67b; background:#1b1b1b; white-space: pre-wrap;" /' $2
	sed --in-place 's/<th>/<th style="padding: 8px; border: black solid 1px">/' $2
	sed --in-place 's/<td>/<td style="padding: 8px; border: black solid 1px">/' $2
	# center reference header
	sed --in-place 's/<p><strong>References<\/strong><\/p>/<p style\="text-align\:center"><strong>References<\/strong><\/p>/' $2
	if grep -q \#\# $2
	then echo "Markdown may not be formatted correctly"
	fi 
else
	echo "Please install pandoc"
fi