#! /usr/bin/bash
# Display a markdown file in a browser after converting it to HTML
# SJP 17 Feb 2021
#
# stolen from https://unix.stackexchange.com/questions/24931/how-to-make-firefox-read-stdin/24942

# Check that we have a file to read
if [ $# -ne 1 ]; then
    echo "Requires the name of one markdown file"
    exit 1
fi

# check dependencies
if ! command -v marked &> /dev/null; then
    echo "Install 'marked' before running this script"
    exit 1
fi
if ! command -v firefox &> /dev/null; then
    echo "Install 'firefox' before running this script"
    exit 1
fi

mdFile=$1

if [ ${mdFile: -3} != ".md" ]; then
   echo "Works best with a markdown input file, but we'll try to parse it anyway"
fi

marked ${mdFile} | firefox "data:text/html;base64,$(base64 -w 0 <&0)"