home/bin/photo-org

   1 #! /bin/bash
   2
   3 input_dir="$1"
   4 output_dir="$2"
   5
   6 case "$output_dir" in
   7     '') output_dir="$input_dir/auto-organized"
   8 esac
   9
  10 find "$input_dir" -type f -iregex '^.+\.jp[e]*g$' | while read -r path; do
  11     # TODO Use "exiftool" instead of "file". Unclear which timestamp field to use.
  12     file_data=$(file "$path")
  13     if echo "$file_data" | grep 'image data' > /dev/null; then
  14         read -r year0 month0 day0 hour0 minute0 second0 < <(
  15             echo "$file_data" \
  16             | grep -o 'Exif Standard: \[.*\]' \
  17             | grep -oE 'datetime=[0-9]{4}:[0-9]{2}:[0-9]{2} +[0-9]{2}:[0-9]{2}:[0-9]{2}' \
  18             | sed 's/^datetime=//' \
  19             | sed 's/:/ /g'
  20         )
  21         if ! [[ "$year0" = '' && "$month0" = '' && "$day0" = '' && \
  22                 "$year0" -eq 0 && "$month0" -eq 0 && "$day0" -eq 0 ]]
  23         then
  24             # Force base 10, since leading zeros may cause an assumption of base 8:
  25             year=$((  10#${year0}  ))
  26             month=$(( 10#${month0} ))
  27             day=$((   10#${day0}   ))
  28             hour=$((  10#${hour0}  ))
  29             minute=$((10#${minute0}))
  30             second=$((10#${second0}))
  31
  32             digest=$(sha256sum "$path" | awk '{print $1}')
  33             suffix=$(echo "$path" | awk -F . '{print tolower($NF)}')
  34             new_dir="${output_dir}/${year}/${month}/${day}"
  35             new_name="${year}-${month}-${day}--${hour}-${minute}-${second}--${digest}.${suffix}"
  36             new_path="$new_dir/$new_name"
  37
  38             printf 'old: %s\n' "$path"
  39             printf 'new: %s\n' "$new_path"
  40             printf '\n'
  41         fi
  42     fi
  43 done