for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
do
if [ "$(cat ${sysblock}/removable)" = "1" ]
then
for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
do
if [ "$(cat ${sysblock}/removable)" = "1" ]
then