Edit the metadata 'Create Date' of Google photos Takeout files

googlephotos.sh

#!/bin/sh

# Edit the metadata 'Create Date'

files=$(mktemp)
find "$1" -type f -iname "*.jpg" > $files
while IFS= read -r f
do
  create_date=$(exiftool -CreateDate "$f" | cut -d ":" -f 2)
  if [ ! -z "$create_date" ] && [ " 0000" != "$create_date" ]; then
    continue
  fi

  time_stamp=$(exiftool -TimeStamp "$f" | cut -d ":" -f 2)
  if [ ! -z "$time_stamp" ] && [ " 0000" != "$time_stamp" ]; then
    continue
  fi

  ts=$(jq -r .photoTakenTime.timestamp "$f.json")
  create_date=$(TZ="UTC" date --date="@$ts" "+%Y:%m:%d %H:%M:%S")
  exiftool -CreateDate="$create_date" "$f"
done < "$files"