listing processes older than n days Post: 302596910

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Operating Systems HP-UX listing processes older than n days Post 302596910 by delphys on Wednesday 8th of February 2012 02:33:54 PM

02-08-2012

Registered User

Quote:

Originally Posted by methyl

Another approach (skeleton). Start with "UNIX95= ps -af" to eliminate most of the system processes, then eliminate anything dated today and positively select lines containing a hyphen (which comes from changed format of "etime" greater than one day).
One side effect is that this pick up "defunct" processes (which display in the old "ps" as uid -3), but they might be interesting anyway.
Avoided outputting the "args" option because it could contain hyphens.

Code:

MMMDD=`date +'%b %e'`
UNIX95= ps -af -o user,pid,ppid,cpu,etime,stime| \
                grep -v "PID"| grep -v "${MMMDD}" | grep "\-"

If you need to output the process line in new "ps" format then we can extend the pipeline to pick up the PID ($2) and feed it to "ps -fp<pid>", eliminate "defunct", and then feed the list to a less-complicated "awk" because all the dates will be in the same format. No need to do "ps -ef" for every individual process.

Afterthought: The UNIX95 "ps" etime field contains the number of days old. This might be simple.

Thank you very much !!

Finally got it working.. added following filters for user procs older 5 days in this case.

Code:

UNIX95= ps -af -o user,pid,ppid,cpu,etime,stime| grep "\-" | awk '$5 >= "5"' |\
awk '{print "ps -fp "$2}'|sh | awk '( NR ==1 ) || ( NR > 1 && $1 !~ "UID")'

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LEARN ABOUT HPUX

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)

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