remove Xmp-Meta in Image on all subdirectories with exifTool

removeXmpMetaInImages.sh

# remove Xmp-Meta in Image on all subdirectories with exifTool
# caution: "&" <-- It will work bg jobs each exifTool.
# TODO: so needs check all bg jobs finishing.
find . -type f -iname '*.png' | grep -v 'build' | awk '{printf "exiftool -q -all= \"%s\" &\n", $1}' | sh
 
# Addition count All file size of png files on subdirectories
find . -iname '*.png' | awk '{printf "\"%s\" ", $1}' | sed -e 's/^/ls -alF /g' | sh | awk '{printf "+%s", $5}' | sed -e 's/^/0/g' | awk '{printf "%s\nquit\n", $1}'> ~/tc_size.tmp; bc -q ~/tc_size.tmp