awk vs grep question Post: 302370289

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question on sed grep awk from variable

i am still confusing on how to use sed, grep and awk if the input is not a file but a variable. such as: a="hello world" b="how are you" c="best wish to you" d="222,333,444" what if i want to check which variable $a,$b,$c,$d have contain "you" what if i want to replace the word "you"...

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MEM=`ps v $PPID| grep -i db2 | grep -v grep| awk '{ if ( $7 ~ " " ) { print 0 } else

Hi Guys, I need to set the value of $7 to zero in case $7 is NULL. I've tried the below command but doesn't work. Any ideas. thanks guys. MEM=`ps v $PPID| grep -i db2 | grep -v grep| awk '{ if ( $7 ~ " " ) { print 0 } else { print $7}}' ` Harby.

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Hi there, I have a Solaris machine with an ifconfig output similar to below lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 e1000g0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2 inet...

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Piping grep into awk, read the next line using grep

Hi, I have a number of files containing the information below. """"" Fundallinfo 6.3950 14.9715 14.0482 """"" I would like to grep for Fundallinfo and use it to read the next line? I ideally would like to read the three numbers that follow in the next line and...

LEARN ABOUT FREEBSD

ljlatest

ljlatest(6x)							XScreenSaver manual						      ljlatest(6x)

NAME

       ljlatest - prints the most recent public posts on livejournal.com.

SYNOPSIS

       ljlatest [--verbose] [--columns N]

DESCRIPTION

       The  ljlatest  script reads the most recent public posts made to livejournal.com, and prints them on stdout, after doing a rudimentary con-
       version of HTML to plain text.

       This script is just a wrapper around
       xscreensaver-text 
	 --url http://www.livejournal.com/stats/latest-rss.bml
       As of XScreenSaver 4.21, you can just use use above URL in the "Text URL" field on the "Advanced" tab in xscreensaver-demo(1).

BUGS

       This program makes it seem like morons have invaded your screen saver.

       The output is always ISO-8859-1, regardless of locale.

SEE ALSO

       http://www.livejournal.com/, xscreensaver(1), xscreensaver-text(1),  fortune(1),  phosphor(6x),	apple2(6x),  starwars(6x),  fontglide(6x),
       dadadodo(1), webcollage(6x), driftnet(1) EtherPEG, EtherPeek

COPYRIGHT

       Copyright  (C) 2003, 2005 by Jamie Zawinski.  Permission to use, copy, modify, distribute, and sell this software and its documentation for
       any purpose is hereby granted without fee, provided that the above copyright notice appear in all  copies  and  that  both  that  copyright
       notice  and  this permission notice appear in supporting documentation.	No representations are made about the suitability of this software
       for any purpose.  It is provided "as is" without express or implied warranty.

AUTHOR

       Jamie Zawinski <jwz@jwz.org>, 30-Aug-2003.

X Version 11							5.15 (28-Sep-2011)						      ljlatest(6x)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

question on sed grep awk from variable

Discussion started by: 3Gmobile

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Question about GREP

Discussion started by: Adriel

3. Shell Programming and Scripting

MEM=`ps v $PPID| grep -i db2 | grep -v grep| awk '{ if ( $7 ~ " " ) { print 0 } else

Discussion started by: hariza

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General question about the relationship between KSH and sed/grep/awk etc

Discussion started by: DalTXColtsFan