update photo modification date

update-photo-date.sh

# update photos from Camera
for file in $(find . -type f -name 'IMG*' -o -name 'Screenshot*' -o -name 'VID*'); do timestamp=$(echo "$file" | sed -E 's,.*/?(IMG|Screenshot|VID)_([0-9]{8})[-_]([0-9]{4})([0-9]{2}).*.(jpg|png|mp4),\2\3.\4,') ; echo touch -t "$timestamp" "$file" ; touch -t "$timestamp" "$file" ; done

# update pictures from Weixin
for file in $(find . -type f -name 'mmexport*'); do timestamp=$(date +'%Y%m%d%H%M.%S' -d @$(echo "$file" | sed -E 's,.*/?mmexport(1[0-9]{9})([0-9]{3})\.jpg,\1,')) ; echo touch -t $timestamp "$file" ; touch -t "$timestamp" "$file" ; done