Use imagemagik to check for not valid media files on Wordpress upload folders

checkimages

BASEPATH=/var/www/vhosts

LIST=`ls $BASEPATH -1`

for i in $LIST
do
        FOLDER=$BASEPATH/$i/public_html/wp-content/uploads

        RESULT=`find $FOLDER -type f -exec identify {} 2>&1 \; | grep -v 'JPEG' | grep -v 'PNG' | grep -v 'BMP' | grep -v 'PDF' | grep -v 'GIF'`

        if [[ $RESULT -ne "" ]];
        then
          echo "$i --> $RESULT"
        fi
done