a smalll query

[zxcv]

Hi guys,

I have a file say with contents ;

123

345

567

789

i need  a o/p like the following ;

2.3

4.5

6.7

8.9

[Dennis Handly]

It appears you are taking the second and third columns:

sed -e 's/^.\(.\)\(.\)/\1.\2/' file

[zxcv]

Hi Dennis ,

u were spot on...but i misundeerstoodd the exact reqmnt...the actual reqmnt given below;

last 2 numbers should be divisible by a fixed number say 500 and it shuld display me the o/p.... 

[Dennis Handly · Accepted solution]

>last 2 numbers should be divisible by a fixed number say 500

awk  '
{
num = substr($0, 2, 2)  # skip first column
print num / 500
} ' file

[zxcv]

Thanks Dennis very much :)