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[khome.git] / home / bin / photo-org
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1#! /bin/bash
2
3input_dir="$1"
4output_dir="$2"
5
6case "$output_dir" in
7 '') output_dir="$input_dir/auto-organized"
8esac
9
10find "$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
43done
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