A shell script for automatically recompiling a .tex file on Linux and viewing the result with mupdf.

recompile.sh

#!/bin/sh

FILE=$1

red='\e[0;31m'
green='\e[0;32m'
reset='\e[0m'

mupdf ${FILE%.*}.pdf &

while true; do
    inotifywait -q -e modify $FILE
    lualatex --halt-on-error $FILE
    ret=$?
    xdotool search --class mupdf key --window %@ r > /dev/null 2>&1
    if [ $ret -eq 0 ]; then
        echo -e "${green}[SUCCESS]${reset}"
    else
        echo -e "${red}[FAILURE]${reset}"
    fi
done