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Re: How to get unique value using AWK?

From: <Jared.Still_at_radisys.com>
Date: Thu, 22 Jan 2004 13:24:25 -0800
Message-ID: <F001.005DDE9A.20040122132425@fatcity.com>



And please notice that no sorting of the input is required, unlike awk|sort|uniq

Jared




Mladen Gogala <mladen@wangtrading.com>
Sent by: ml-errors@fatcity.com

 01/22/2004 08:54 AM
 Please respond to ORACLE-L

       
        To:        Multiple recipients of list ORACLE-L <ORACLE-L@fatcity.com>
        cc:        
        Subject:        Re: How to get unique value using AWK?



There is much improved version of awk called "perl"
and it has something called hashes. Code snippet would
look something like this:

my %Godot;

while (<>} {
 chomp;
 if (/\'([^\']+)/ {
    next if  exists $Godot{$1};
    $Godot{$1}=undef;
 }
}
foreach (sort keys %Godot) {
 print "$_\n";
}


On 01/22/2004 11:09:26 AM, jaysingh1@optonline.net wrote:
> Hi All,
>
> My manager wants to get all the unique wait events from the trace
> file.
> I tried the below but how do i get DISTICT wait event name?
>
> Any help would be really appreciated.
>
> $ grep -i WAIT devdb1_ora_989.trc_orig|awk '{print $3" " $4 " " $5 "
> "$6}'|more
> nam='SQL*Net message to client'
> nam='SQL*Net message from client'
> nam='library cache lock' ela=
> nam='SQL*Net message to client'
> nam='SQL*Net message from client'
> nam='SQL*Net message to client'
> nam='SQL*Net message from client'
> nam='SQL*Net message to client'
> nam='SQL*Net message from client'
> nam='SQL*Net message to client'
> nam='SQL*Net message from client'
> nam='SQL*Net message to client'
> nam='SQL*Net message from client'
> nam='SQL*Net message to client'
>
>
> Thanks
> Jay
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author:
>   INET: jaysingh1@optonline.net
>
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Author: Mladen Gogala
 INET: mladen@wangtrading.com

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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: 
  INET: Jared.Still_at_radisys.com

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Received on Thu Jan 22 2004 - 15:24:25 CST

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