bash script to auto recompile latex file when changes happen

run.sh

# please install dependencies first:
# sudo apt update && sudo apt install textlive-full inotify-tools
#
# USAGE: ./run.sh ./tex-directory/texfile.tex
# -------------------------------------------------------------

#!/bin/bash

FILE=$1
DIR=$(dirname "$FILE")
BASENAME=$(basename "$FILE" .tex)

inotifywait -m -e close_write "$DIR" |
while read -r directory events filename; do
    if [ "$filename" == "$BASENAME.tex" ]; then
        pdflatex -interaction=nonstopmode -synctex=1 -output-directory="$DIR" "$FILE"
    fi
done