- #!/bin/bash
 - #for more detial to determine which sd is usb
 - #http://unix.stackexchange.com/questions/60299/how-to-determine-which-sd-is-usb
 - 
 - grep -Hv ^0$ /sys/block/*/removable | \
 - sed s/removable:.*$/device\\/uevent/ | \
 - xargs grep -H ^DRIVER=sd | \
 - sed s/device.uevent.*$/size/ | \
 - xargs grep -Hv ^0$ | \
 - cut -d / -f 4 | \
 - while read line ;do
 -         if [ "$(mount | grep "$line" | wc -l)" != "$(mount | grep "$line.*noexec" | wc -l )" ];then
 -                 exit 1
 -         fi
 - done
 
 
  |