Automatically converts Pandoc Markdown to PDF with live preview, via latexmk.

mklatex

#!/bin/bash

############################
# CONFIG: Change these as necessary
############################
# pandoc
PANDOC_CMD="pandoc"
PANDOC_OPTS="-s --latex-engine=xelatex"

# latexmk
LATEXMK_CMD="latexmk"
LATEXMK_OPTS="-xelatex -pvc"

SLEEP_TIME=3    # in seconds

############################

path=$1

# must have a filename
if [ -z "$path" ]
then
  echo "Must provide a path to file"
  exit 1
fi

# check to make sure this is a markdown file
name=$( basename $path )
ext=${name##*.}
if [ "$ext" != "md" ]
then
  echo "File must be a markdown file (with extension .md)"
  exit 1
fi

# time to sleep in between checks

# command to run
basename=${name%.*}
tex="${basename}.tex"
cmd="${PANDOC_CMD} ${PANDOC_OPTS} -o ${tex} ${path}"

echo "Listening for changes to ${path}"
echo "Will run this command on change:"
echo "    ${cmd}"
echo "(Ctrl-C to exit)"
echo

sleep 1

while true
do
   ATIME=`stat -f %Z ${path}`

   if [[ "$ATIME" != "$LTIME" ]]
   then
       eval $cmd
       LTIME=$ATIME
   fi
   sleep "$SLEEPTIME"
done &


eval "${LATEXMK_CMD} ${LATEXMK_OPTS} ${basename}"