Markdown previewer using pandoc, chrome-cli, and fswatch

mdpreview.sh

#!/bin/sh

# To install dependencies: brew install pandoc chrome-cli fswatch
# To use: mdpreview /path/to/content.md

monitored_file=`basename $1`
preview="/tmp/${monitored_file}.html"
preview_url="file://${preview}"

trap "rm -f ${preview};exit;" SIGINT SIGTERM

# Remove any old preview versions
rm -f ${preview}

# Generate preview
pandoc -f markdown_github -t html5 $1> ${preview}

# Open in Chrome
tab_id=`chrome-cli open ${preview_url} | grep Id | cut -d: -f2`

# Now we loop until killed regenerating and reloading
# the preview whenever the source document changes
while [ 1 ]
do
  fswatch -L -0 -1 $1 > /dev/null
  chrome-cli reload -t${tab_id}
done