Re: print specific line (by address) within a block of text

On 13/12/12 04:25, Brian J. Murrell wrote:
> On 12-12-12 05:14 PM, Davide Brini wrote:
>> Assuming that /d/ *always* starts a block, and omitting some nitpicks
>> that perhaps are unlikely to be important, you could do
>>
>> sed -n '/d/{n;n;p;}'
> Ahh, nice.  What if the offset into the block can be variable, from only
> a few lines to maybe a few dozen lines, so some way to give "n" a number
> of iterations.  I have taken notice of the looping abilities of sed but
> have not come across any way to control loop iteration count with
> numerical values.
>
> Cheers,
> b.


sed -rn '/^d/,/^$/p' your/file | sed -n '3p;'


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