Dear all 
i am writing a script to dd a image to partition 
for example i have a image say data.img which is a dd image of a data
partition of  linux machine1 . Now assume .

i have a another machine linux2  with same  partitions
and  even data partition if i want to update the data.img to this
partition i use the command 
dd if=data.img of=/dev/flx 
now this is done even if the data.img is much bigger than than /dev/flx
and it will trow out a error not enough space and leave that partition
unusable . 
this process is automated using a script but i want to put a check so
that i can check the size of the parition and size of the image is same
before i run dd 
is there a command which can give me the partition size 
other than using fdisk -l and greping that blocks and calculating 

Thanks in Advance
regards
Yunus

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