Dirty bash script to hardlink photos based on exif4

gistfile1.txt

#!/bin/bash

V=true
SCRIPT=$(basename $0)
SRC="/srv/beatrice/iphone11 /srv/beatrice/iPhoneCamera /srv/syncthing/Beatrice_Pictures /srv/syncthing/Camera"
DEST=/srv/sigal/src

find $SRC -type f | while read FILE; do

  KEY=$(echo "$FILE" | base32 -w0)
  CACHE_DIR=~/.cache/$SCRIPT
  CACHE=$CACHE_DIR/$KEY

  if [ -e "$CACHE" ]; then
    TARGET="$(cat $CACHE)"
    TARGET_DIR="$(dirname $TARGET)"
else

    export IFS="|"
    read -r LAT LON MOD_DATE ORIG_DATE <<<$(exiftool -m -n -p '$GPSLatitude|$GPSLongitude|$FileModifyDate|$DateTimeOriginal' "$FILE")
    if [ "" = "$LAT" ]; then
      CITY=
      TOWN=
      LOCALITY=
    else
      XML=$(curl -s "https://nominatim.openstreetmap.org/reverse?lat=$LAT&lon=$LON")
      TOWN=$(echo $XML| grep -oPm1 "(?<=<town>)[^<]+")
      CITY=$(echo $XML| grep -oPm1 "(?<=<city>)[^<]+")
      LOCALITY=${CITY:-$TOWN}
    fi

    DATE=${ORIG_DATE:-$MOD_DATE}
    DATE=${DATE/ /T}
    DATE=${DATE/:/-}
    DATE=${DATE/:/-}
    DATE=${DATE/+00:00/Z}

    EXT=${FILE/*./}
    EXT=${EXT,,}

    if [ "$LOCALITY" = "" ]; then
      LS=
    else
      LS=_
    fi

    YEAR=${DATE/-*/}
    MONTH=${DATE/-/|}
    MONTH=${MONTH/*|/}
    MONTH=${MONTH/-*/}
    if [ "$MONTH" = "01" ]; then
      MONTH_=Januar
    elif [ "$MONTH" = "02" ]; then
      MONTH_=Februar
    elif [ "$MONTH" = "03" ]; then
      MONTH_=März
    elif [ "$MONTH" = "04" ]; then
      MONTH_=April
    elif [ "$MONTH" = "05" ]; then
      MONTH_=Mai
    elif [ "$MONTH" = "06" ]; then
      MONTH_=Juni
    elif [ "$MONTH" = "07" ]; then
      MONTH_=Juli
    elif [ "$MONTH" = "08" ]; then
      MONTH_=August
    elif [ "$MONTH" = "09" ]; then
      MONTH_=September
    elif [ "$MONTH" = "10" ]; then
      MONTH_=Oktober
    elif [ "$MONTH" = "11" ]; then
      MONTH_=November
    elif [ "$MONTH" = "12" ]; then
      MONTH_=Dezember
    fi

    TARGET_DIR="${DEST}/${YEAR}-${MONTH}_${MONTH_}${LS}${LOCALITY}"

    TARGET="$TARGET_DIR/${DATE}_${LOCALITY}_$(< /dev/urandom tr -dc 'a-z' | head -c6).$EXT"
    mkdir -p $CACHE_DIR
    echo "$TARGET" > $CACHE
  fi

  $V&&echo "$FILE" "$TARGET"
  if [ ! -e "$TARGET" ]; then
    mkdir -p "$TARGET_DIR" 
    ln "$FILE" "$TARGET"
  fi
done