Hi Mr./Ms. Anekalla,
On Thu, 26 Jan 2017 08:23:59 -0600
Kishore Reddy <[email protected]> wrote:
> Dear group,
>
> I am trying to extract 10th line from group of files.
> I am able to do it with
>
> find . -name "*.final.out" | parallel "awk 'NR ==10' {} >> result.txt"
>
> However, I need to add a filename in the output file for every line so that
> I can identify from which file the line came from.
>
This is an awk question rather than a GNU parallel one. You can do the
following in GNU awk:
awk 'FNR == 10 {print FILENAME ":" $0;nextfile;}'
FNR and FILENAME appear to be part of the standard:
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/awk.html
I had to look the exact syntax up on DuckDuckGo.
Hope that helps,
Shlomi
> Any help is appreciated.
>
>
> warm regards,
> Kishore R. Anekalla
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