Markdown as shell script

gistfile1.md

#!/bin/sh
# markdown as shell script

## setup

	set -e
	set -x
	FOOBAR="foobar"

## step 1

	echo "step 1"
	[ -f $FOOBAR ] || touch $FOOBAR
	date >> $FOOBAR

## step 2

	echo "step 2"
	cat >> $FOOBAR <<-EOF
		# comment
		Hello, world!
	EOF
	exit 0