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11.09.2007 at 12:09PM PST, ID: 22951007
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grep memory information top
Tags: grep, memory, top
This is an easy one for grep experts

My top result is like this

 top -b -p 3002  -n 1

top - 14:07:30 up 14 days,  4:31,  1 user,  load average: 0.00, 0.00, 0.00
Tasks:   1 total,   0 running,   1 sleeping,   0 stopped,   0 zombie
Cpu(s):  2.1% us,  0.6% sy,  0.0% ni, 97.0% id,  0.1% wa,  0.0% hi,  0.0% si
Mem:   2074844k total,  1646740k used,   428104k free,   108336k buffers
Swap:  1020116k total,      192k used,  1019924k free,  1225532k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 3002 root      16   0  4748   948   548  S   0.0      0.1      0:00.04 crond

I would to just grep and display the value under %MEM (in this case 0.1).
So I am looking for the command

 top -b -p 3002  -n 1 | grep  <something>   that can give me 0.1
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Question Stats
Zone: OS
Question Asked By: sunray_2003
Solution Provided By: ozo
Participating Experts: 2
Solution Grade: A
Views: 9
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11.09.2007 at 12:13PM PST, ID: 20252577

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11.09.2007 at 12:16PM PST, ID: 20252601

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11.09.2007 at 12:21PM PST, ID: 20252652

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11.09.2007 at 12:22PM PST, ID: 20252665

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11.09.2007 at 12:43PM PST, ID: 20252846

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11.09.2007 at 12:51PM PST, ID: 20252915

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11.09.2007 at 12:13PM PST, ID: 20252577

Rank: Master

Hi sunray_2003,

Not grep, but awk.  You'll want to skip the first 7 lines, then 'print $10'.



Good Luck,
Kent
Assisted Solution
 
11.09.2007 at 12:16PM PST, ID: 20252601
How will that give just the value 0.1 under MEM.
Also, I donot know if that information is going to be in Line #10. I donot want to hard code that value..

I am also ok with using regex along with grep if I need to.
 
11.09.2007 at 12:21PM PST, ID: 20252652

Rank: Guru

awk '/^ *[0-9]/{print $10}'
Accepted Solution
 
11.09.2007 at 12:22PM PST, ID: 20252665

Rank: Master

Hi sunray_2003,

Sorry.  I thought that you just wanted the value returned under the MEM column.  That's field 10.

Depending slightly on which flavor of unix your'e running, try this:

   top -b -p 3002  -n 1 | grep '0\.1'

The -b parameter isn't universal, so I suspect that you're on linux.



Good Luck,
Kent
 
11.09.2007 at 12:43PM PST, ID: 20252846
ozo,

Thanks. Before I close the question, how do I print 2 column values. Example.. column 5 and column 10?
 
11.09.2007 at 12:51PM PST, ID: 20252915

Rank: Guru

{print $5,$10}
 
 
11.09.2007 at 01:58PM PST, ID: 20253476
Splitting the points as kdo gave the idea first and ozo gave the command that I needed.
 
 
 
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