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Full Discussion: how to detect my script is already running
Top Forums UNIX for Dummies Questions & Answers how to detect my script is already running Post 96367 by mahendramahendr on Thursday 19th of January 2006 12:26:07 PM
Old 01-19-2006
To add to the above stuff, if you checking with ps -ef for running process, you should also consider the other stuff like... if some opened the script with vi, or doing more with the executable or doing more with the log file name that contains executable name . log etc.... it will also come on ps -ef and your condition becomes true though your script is not running actually.

ps -fu $LOGNAME | grep '[m]yscript' | egrep -v "more | cat | vi | pg | ls | ......."

so better having lock file if possible, otherwise, use the above and do egrep -v with all possible combinations.
 

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LEARN ABOUT SUSE

lzgrep

XZGREP(1)							     XZ Utils								 XZGREP(1)

NAME

       xzgrep - search compressed files for a regular expression

SYNOPSIS

       xzgrep [grep_options] [-e] pattern file...
       xzegrep ...
       xzfgrep ...
       lzgrep ...
       lzegrep ...
       lzfgrep ...

DESCRIPTION

       xzgrep  invokes	grep(1)  on  files  which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options
       specified are passed directly to grep(1).

       If no file is specified, then the standard input is decompressed if necessary and fed  to  grep(1).   When  reading  from  standard  input,
       gzip(1) and bzip2(1) compressed files are not supported.

       If  xzgrep  is  invoked as xzegrep or xzfgrep then egrep(1) or fgrep(1) is used instead of grep(1).  The same applies to names lzgrep, lze-
       grep, and lzfgrep, which are provided for backward compatibility with LZMA Utils.

ENVIRONMENT

       GREP   If the GREP environment variable is set, xzgrep uses it instead of grep(1), egrep(1), or fgrep(1).

SEE ALSO

       grep(1), xz(1), gzip(1), bzip2(1), zgrep(1)

Tukaani 							    2009-07-05								 XZGREP(1)
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