Hmm. That sounds similar, but not identical to your original post. Can you
clarify your question by giving an example, using a small dataset for both
input and expected output? - Robert
On Mon, Jan 4, 2021 at 10:44 AM alig...@gmail.com <aligam...@gmail.com>
wrote:
> Hi Robert,
>
> I want to copy line 5 from a file to line 3 in another file
>
> Thanks in advance
> On Monday, January 4, 2021 at 5:51:31 PM UTC+2 Robert Citek wrote:
>
>> Without example data, it's not completely clear what you are trying to
>> do. But this might be one of many ways to accomplish what you are trying
>> to do:
>>
>> $ { head -4 test.dat ; sed -n 3p w.dat ; tail -n +5 test.dat ; } | cat -n
>> 1 b1
>> 2 b2
>> 3 b3
>> 4 b4
>> 5 a3
>> 6 b5
>> 7 b6
>> 8 b7
>> 9 b8
>> 10 b9
>> 11 b10
>>
>> Sample data:
>>
>> $ paste w.dat test.dat | cat -n
>> 1 a1 b1
>> 2 a2 b2
>> 3 a3 b3
>> 4 a4 b4
>> 5 a5 b5
>> 6 a6 b6
>> 7 a7 b7
>> 8 a8 b8
>> 9 a9 b9
>> 10 a10 b10
>>
>> Regards,
>> - Robert
>>
>> On Mon, Jan 4, 2021 at 8:02 AM alig...@gmail.com <alig...@gmail.com>
>> wrote:
>>
>>> Hi,
>>> I want to copy a line from a file to a specific line number in a file.
>>>
>>> I copy line 3 from w.dat file to test.dat file using
>>>
>>> sed -n 3P w.dat >> test.dat
>>>
>>> but it copy line 3 to the end of test.dat file, I want copy line 3 to
>>> line number 5 in the test.dat file, how can I do that?
>>>
>>>
>>> --
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