Re: awk 'system("date +%s -d ")'

by Janis <janis_papanagnou@[EMAIL PROTECTED] > Feb 27, 2008 at 12:56 AM

On 27 Feb., 08:29, "DanielC" <dnlc...@[EMAIL PROTECTED]
> wrote:
> "Ed Morton" <mor...@[EMAIL PROTECTED]
> wrote in message
> news:47C25043.1000302@[EMAIL PROTECTED]
>
> > On 2/24/2008 5:34 PM, DanielC wrote:
>
> > [ for the second time - please don't top-post, fixed below]
>
> What does this mean?

http://www.caliburn.nl/topposting.html

[...]

>
> A question: how do we use awk to process a very large file (ie. 500000
> lines) by reading file from bottom to top?
> I know we can use array to reverse a small file, and we can also apply
it on
> the big file. However that costs too much, and it is not suitable for a
> frequent job.

Yes, to efficiently process large files you would take a tool that is
more appropriate for the task. On Unix you may find 'tac' for that.

Janis

12 Posts in Topic:

awk 'system("date +%s -d ")'

"DanielC" <d

2008-02-24 13:06:04

Re: awk 'system("date +%s -d ")'

Ed Morton <morton@[EMA

2008-02-24 15:23:36

Re: awk 'system("date +%s -d ")'

"DanielC" <d

2008-02-24 13:50:28

Re: awk 'system("date +%s -d ")'

Ed Morton <morton@[EMA