Jellyposter + Language Tags

#!/bin/bash
while true
do
cd /mnt_data/media/movies
for dir in */; do
cd /mnt_data/media/movies/"$dir"
pwd

flink=$(readlink -f poster.jpg)
creatortool=$( exiftool -f -s3 -"creatortool" "$flink" )

if [ "${creatortool}" != "99333" ]; then
mlink=$(readlink -f *.mkv)
langs=$( ffprobe "$mlink" -show_entries stream=index:stream_tags=language -select_streams a -v 0 -of json=c=1 | jq --raw-out>
nlink=$(readlink -f *.nfo)
GER='ger'
DUT='dut'

case $langs in

  *"$DUT"*)
    widthposter=$( exiftool -f -s3 -"ImageWidth" "$flink" )
        convert /mnt_data/media/dut_overlay.png -resize "$widthposter" /mnt_data/media/dut_overlay_tmp.png
        convert  "$flink"  /mnt_data/media/dut_overlay_tmp.png -flatten  "$flink"
        chmod +644 "$flink"
        chown nobody "$flink"
        exiftool -creatortool="99333" -overwrite_original "$flink"
        sed -i.bak '$ i\<tag>00_Dutch_Language</tag>' "$nlink"
        echo "Dutch movie detected"
    ;;

  *"$GER"*)
    widthposter=$( exiftool -f -s3 -"ImageWidth" "$flink" )
        convert /mnt_data/media/ger_overlay.png -resize "$widthposter" /mnt_data/media/ger_overlay_tmp.png
        convert  "$flink"  /mnt_data/media/ger_overlay_tmp.png -flatten  "$flink"
        chmod +644 "$flink"
        chown nobody "$flink"
        exiftool -creatortool="99333" -overwrite_original "$flink"
        sed -i.bak '$ i\<tag>00_German_Language</tag>' "$nlink"
        echo "German movie detected"
    ;;
esac


fi
done
sleep 90000
done