rasort -N

[Carter Bullard]

Hey CS Lee,
My apologies, yes, I found a stupid bug in rasort, trying to be  
clever and
reusing the Nflag.  I have added the -N option to the ra.1 man page.
Hopefully I will get a new round of code up today.

So, this brings up a good question again.  The -N flag is very  
useful, but
somewhat primitive (sometimes that is a good thing).  Should we consider
extensions, like having an input -N and an output -N ?   Should the -N
option accept a range, to facilitate web based paging viewers?

I think so, but , ....  The biggest hurdle is having a useful syntax  
for the
command line option.  So is this useful?

    ra -N 10         (first input 10, implied range starting at 1)
    ra -N 10-20   (range, input records 10-20)
    ra -N o10       (output the first 10 records)
    ra -N -10        (output the last 10 records ?)

What do you think?  I am not sold on this idea, except that we  
probably do
need to support a range expression.

Sorry for any inconvenience,

Carter


On Nov 1, 2006, at 7:41 AM, CS Lee wrote:

> Carter,
>
> Apparently -N option is not shown in ra(1) man page either, while  
> it can be used and of course I prefer if -N is available instead of  
> using head(). However I have read that all the argus clients  
> support ra options, but it is not working for rasort(racluster  
> works pretty well with -N), I try to use -N with rasort and it  
> doesn't work so I think piping to ra is what I can do for the  
> moment. Thanks for the clue :)
>
> On 11/1/06, carter at qosient.com < carter at qosient.com> wrote:
> Hmmmm, all ra* programs support the '-N x' option, and it controls  
> how many input records will be processed.  You need to read the ra. 
> 1 man page to see all the ra* options.
>
> Hmmmmmm,  the right thing to do is:
>     rasort -r file -m pkts -w - | ra -N x -w top.x.out
>
> to get the top x pkt generators.  I would use ra() rather that head 
> (), to create the binary output of your top x list just in case you  
> also wanted to know store it and process it later, like generating  
> an hourly topx, and then from all the hourly, generate a daily,  
> monthly, etc.
>
> Sorry if I generated any confusion.
>
> Carter
>
> Carter Bullard
> QoSient LLC
> 150 E. 57th Street Suite 12D
> New York, New York 10022
> +1 212 588-9133 Phone
> +1 212 588-9134 Fax
>
> -----Original Message-----
> From: "CS Lee" <geek00l at gmail.com>
> Date: Wed, 1 Nov 2006 16:21:53
> To:argus-info at lists.andrew.cmu.edu
> Subject: [ARGUS] rasort -N
>
> Carter,
>
> The -N option seems not working for me for rasort and it is not in  
> rasort -h or man page either, I'm on rc33. I use head -10 for top  
> 10 since when running rasort with -N 10 shows nothing.
>
> Thanks.
>
> --
> Best Regards,
>
> CS Lee<geekooL[at]gmail.com>
>
>
>
> -- 
> Best Regards,
>
> CS Lee<geekooL[at]gmail.com>




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