03-04-2009
Filtering exact process name from ps
Hi Gurus,
I have two processes running on a Unix box, named say, PRCS1 and PRCS1X.
I want to check whether process PRCS1 is running or not, and depending on that I have to make further decisions while writing a shell script.
I am using: ps -eaf|grep PRCS1|grep -v grep
But the problem is the above command returns the process details of PRCS1X as well, even when the process PRCS1 is not up and running.
I wanted to look-up for the exact process-name PRCS1; nothing more or less. I also tried: ps -eaf|grep "PRCS1"|grep -v grep .... plz forgive my ignorance, I'm not a Guru in Unix.
Can anyone suggest a better way to accomplish this?
Thanks in advance,
Sagar
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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)