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Top Forums UNIX for Dummies Questions & Answers Grep not giving expected results Post 302820095 by John K on Wednesday 12th of June 2013 04:06:21 AM
Old 06-12-2013
Grep not giving expected results

Version: RHEL 5.8

I am doing a grep of the piped output from ps command as shown below.
I am grepping for the pattern ora_dbw* . But, in the result set I am seeing strings with ora_dbr* as well like ora_dbrm_SDLM1DAS3 as shown below. Any idea why is this happening ?


Code:
$ ps -ef | grep ora_dbw*
oracle    2565     1  0 May30 ?        00:00:03 ora_dbrm_SDLM1DAS3 ---------> ????
oracle    2621     1  0 May30 ?        00:28:44 ora_dbw0_SDLM1DAS3
oracle    2627     1  0 May30 ?        00:27:09 ora_dbw1_SDLM1DAS3
oracle    2631     1  0 May30 ?        00:27:59 ora_dbw2_SDLM1DAS3
oracle    2635     1  0 May30 ?        00:28:13 ora_dbw3_SDLM1DAS3
oracle    3642     1  0 May30 ?        00:00:02 ora_dbrm_SDLM3DAS3 --------> ????
oracle    3708     1  0 May30 ?        00:00:19 ora_dbw0_SDLM3DAS3
oracle    3714     1  0 May30 ?        00:00:17 ora_dbw1_SDLM3DAS3
oracle    3718     1  0 May30 ?        00:00:16 ora_dbw2_SDLM3DAS3
oracle    3722     1  0 May30 ?        00:00:17 ora_dbw3_SDLM3DAS3
oracle    6653 15952  0 12:40 pts/0    00:00:00 grep ora_dbw*
oracle   32441     1  0 May31 ?        00:00:04 ora_dbrm_SDLM2DAS3
oracle   32507     1  0 May31 ?        00:30:49 ora_dbw0_SDLM2DAS3
oracle   32511     1  0 May31 ?        00:28:37 ora_dbw1_SDLM2DAS3
oracle   32515     1  0 May31 ?        00:28:53 ora_dbw2_SDLM2DAS3
oracle   32519     1  0 May31 ?        00:28:49 ora_dbw3_SDLM2DAS3
$

Tried enclosing the pattern in double quotes


Code:
$ ps -ef | grep "ora_dbw*"
oracle    2565     1  0 May30 ?        00:00:03 ora_dbrm_SDLM1DAS3
oracle    2621     1  0 May30 ?        00:28:44 ora_dbw0_SDLM1DAS3
oracle    2627     1  0 May30 ?        00:27:09 ora_dbw1_SDLM1DAS3
oracle    2631     1  0 May30 ?        00:27:59 ora_dbw2_SDLM1DAS3
oracle    2635     1  0 May30 ?        00:28:13 ora_dbw3_SDLM1DAS3
oracle    3642     1  0 May30 ?        00:00:02 ora_dbrm_SDLM3DAS3
oracle    3708     1  0 May30 ?        00:00:19 ora_dbw0_SDLM3DAS3
oracle    3714     1  0 May30 ?        00:00:17 ora_dbw1_SDLM3DAS3
oracle    3718     1  0 May30 ?        00:00:16 ora_dbw2_SDLM3DAS3
oracle    3722     1  0 May30 ?        00:00:17 ora_dbw3_SDLM3DAS3
oracle    8934 15952  0 12:44 pts/0    00:00:00 grep ora_dbw*
oracle   32441     1  0 May31 ?        00:00:04 ora_dbrm_SDLM2DAS3
oracle   32507     1  0 May31 ?        00:30:49 ora_dbw0_SDLM2DAS3
oracle   32511     1  0 May31 ?        00:28:37 ora_dbw1_SDLM2DAS3
oracle   32515     1  0 May31 ?        00:28:53 ora_dbw2_SDLM2DAS3
oracle   32519     1  0 May31 ?        00:28:49 ora_dbw3_SDLM2DAS3

 

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MAKE-JPKG(1)						      General Commands Manual						      MAKE-JPKG(1)

NAME
make-jpkg - builds Debian packages from Java binary distributions SYNOPSIS
make-jpkg [OPTION]... [FILE] DESCRIPTION
make-jpkg builds a Debian package from the given Java distribution FILE. Supported java binary distributions currently include: * Oracle (http://www.oracle.com/technetwork/java/javase/downloads) : - The J2SE Development Kit (JDK), version 6 (update >= 10), 7 - The J2SE Runtime Environment (JRE), version 6 (update >= 10), 7 - The J2SE API Javadoc, version 6 (update >= 10), 7 (Choose tar.gz archives or self-extracting archives, do _not_ choose the RPM!) The following options are recognized: --full-name NAME full name used in the maintainer field of the package --email EMAIL email address used in the maintainer field of the package --changes create a .changes file --revision add debian revision --help display help text and exit --version output version information and exit Download a supported Java RE or SDK or API tar.gz or self-extracting archive from http://www.oracle.com/technetwork/java/javase/downloads and execute make-jpkg file with the downloaded file. The program asks the user for additional information and builds a Debian binary pack- age in the current directory. The program requires about 200 MB free disk space in a temporary directory. The temporary directory defaults to /tmp but you can specify an alternate directory by setting the environment variable TMPDIR. EXAMPLE
To install Oracle(TM) 7 Standard Edition JDK, download a release - 64 bits version of update 2 from http://www.oracle.com/technet- work/java/javase/downloads/jdk-7u2-download-1377129.html in this example - and invoke make-jpkg: make-jpkg <path_to_download_directory>/jdk-7u2-linux-x64.tar.gz This generate a Debian package in the current directory, that can be installed using dpkg: dpkg -i oracle-j2sdk1.7_1.7.0+update2_amd64.deb When you're done, you can delete initial download as well as generated package: rm <path_to_download_directory>/jdk-7u2-linux-x64.tar.gz oracle-j2sdk1.7_1.7.0+update2_amd64.deb ENVIRONMENT
TMPDIR base directory used for temporary files (defaults to /tmp) J2SE_PACKAGE_FULL_NAME full name used in the maintainer field of the package; if none is supplied then the default of "Debian Java Maintainers" is used. J2SE_PACKAGE_EMAIL email address used in the maintainer field of the package; if none is supplied the default of "pkg-java-maintain- ers@lists.alioth.debian.org" is used. SEE ALSO
update-java-alternatives(1) AUTHOR
This manual page was written by Hubert Schmid <j2se-package@z42.de>. It is now maintained by the Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>. January 22, 2012 MAKE-JPKG(1)
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