if [ ! -n "$1" ] then echo "USB Port Loop Disabled" while : do echo 0 > /sys/devices/virtual/android_usb/android0/enable done elif [ $1 -eq 0 ] then echo 0 > /sys/devices/virtual/android_usb/android0/enable echo "USB Port is Disabled" elif [ $1 -eq 1 ] then echo 1 > /sys/devices/virtual/android_usb/android0/enable echo "USB Port is Enabled" else echo "susb 0 | 1" fi