Script to organize photos by grouping them into folders of year and month of date taken. Requires imagemagick.

organize_photos.sh

#!/bin/sh

function readImage () {
    if [ "$1" != "." ] ; then
    DIRTOMAKE=`identify -verbose "$1" | grep exif:DateTime: | sed 's/exif\:DateTime\: //g' | sed 's/\:[0-9][0-9] [0-9][0-9]\:[0-9][0-9]\:[0-9][0-9]//g' | sed 's|:|/|g'`

    trimmed=`echo "$DIRTOMAKE" | xargs`
    if [ -z "$trimmed" ] ; then
        trimmed="Unknown"
    fi

    echo "Moving $1 to $trimmed ..."
    mkdir -p "${trimmed}"
    mv -n "$1" "${trimmed}"
    fi
}

export -f readImage
find "$1" -maxdepth 1 -iregex ".*\.[PNG|JPG|jpeg]*" -execdir bash -c 'readImage "$0"' {}  \;