Unfuck

gistfile1.sh

 $ cat /proc/partitions 
major minor  #blocks  name

  11        0     717120 sr0
   8        0  732574584 sda
   8        1   19679593 sda1
   8        2    2931862 sda2
   8        3  709960545 sda3
   8       32  312571224 sdc
   8       33  312570183 sdc1

$ irb
irb(main):041:0> 19679593 / 1024 / 1024.0
=> 18.767578125
irb(main):042:0> 709960545 / 1024 / 1024.0
=> 677.0703125
irb(main):043:0> 2931862 / 1024 / 1024.0
=> 2.7958984375
irb(main):044:0>