Cygwin shell script for automatically collecting Windows spotlight wallpapers

collectwallpaper.sh

#!/usr/bin/bash
PATH=/bin:/usr/bin:$PATH
LASTDATE=INIT
while true; do
    CURDATE=`date +'%D'`
    if [ "$CURDATE" != "$LASTDATE" ]
    then
	for i in `cygpath $USERPROFILE`/AppData/Local/Packages/Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy/LocalState/Assets/*; do
	    if [ "`file $i | perl -pe 's|.* ([0-9]+x[0-9]+),.*|\1|'`" = 1920x1080 ]
	    then
		cp -uv $i /cygdrive/d/wallpaper_horizontal/`basename $i`.jpg
	    fi
	    if [ "`file $i | perl -pe 's|.* ([0-9]+x[0-9]+),.*|\1|'`" = 1080x1920 ]
	    then
		cp -uv $i /cygdrive/d/wallpaper_vertical/`basename $i`.jpg
	    fi
	done
    fi
    LASTDATE=$CURDATE
    sleep 600
done