PHWinfo - Afficher un message - How to extract one line in every 3 lines from a file?

03/05/2008, 00h08

On 5/2/2008 4:59 PM, mallin.shetland wrote:
> zhengquan scrisse:
>
>
>>I would like to extract a line from every 3 lines from a file.
>
>
>
> With GNU sed:
>
>
> sed -n '1~3' infile > outfile

ITYM:

sed -n '1~3p' infile > outfile

Ed.

03/05/2008, 00h08	#4
Ed Morton Messages: n/a Hébergeur:	Re: How to extract one line in every 3 lines from a file? On 5/2/2008 4:59 PM, mallin.shetland wrote: > zhengquan scrisse: > > >>I would like to extract a line from every 3 lines from a file. > > > > With GNU sed: > > > sed -n '1~3' infile > outfile ITYM: sed -n '1~3p' infile > outfile Ed.