Capturing information from a top script

Posted on 2004-09-02
Last Modified: 2013-12-26
I am writing a script in SH and want to added to my current script to obtain this output specific area from the top command

 1       ?    22557  SQL          138 39   2016K   596K  sleep      0:33   79.73      70.45  compress

There was a script that that I found on here that output for uptime this way, what changes can I make to this script
to work with top.

Here was the script I found

uptime | sed -e 's/.*: //' -e 's/ //g' | awk -F , ' { print "A="$1 "\nB=" $2 "\nC=" $3 } '

I tried using top -n 1 and it prints out the other stuff from top that is not needed
Question by:eaglesprings
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LVL 48

Expert Comment

ID: 11969786
top -n 1|grep '%'

LVL 48

Expert Comment

ID: 11969799
Whoops.  I was working with top -n 1 output on a Solaris box which has a different format.

top -n 1|sed -n 8p

You may need to adjust the line number on the sed statement depending on how many lines top -n 1 outputs on your system.

Author Comment

ID: 11970055
I am working on HP UX
LVL 45

Assisted Solution

sunnycoder earned 100 total points
ID: 11970481
err, isnt top interactive ... since all you are interested in is one time system snapshot, why not use ps with appropriate arguments

 ps -p 1 -o "cpu longtname pid uname pri ni sz rssize state time pcpu comm"

does nearly the same thing ... the exact options may be bit different for your unix but ps might be better to use here
LVL 38

Accepted Solution

yuzh earned 400 total points
ID: 11970483
For HP-UX,

you can use something like:

top -n 1 -d 1 t | sed -n 6p

the output will looks like:

Memory: 55524K (5152K) real, 111180K (4020K) virtual, 316900K free  Page# 1/147

  ?  1442 root     154 20   608K   948K sleep   14:54  0.12  0.12 dtgreet

Note that: if you redirect the output to a file, it is in ONE line, looks like:

Memory: 54664K (7288K) real, 110540K (7104K) virtual, 317868K free  Page# 1/145ESC[10;2HTTY  PID USERN
AME PRI NI   SIZE    RES STATE    TIME %WCPU  %CPU COMMANDESC[11;3H?  1442 rootESC[5C154 20   608K   9
48K sleep   14:54  0.09  0.09 dtgreet

You need to do a bit more work to get the result you wanted.

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