05-22-2010
write a script that uses "sed" to make the needed changes on your output...
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I'm using Kshell scripts cronjobs to logrolling my daily log files and I stamped the log file at the end of the day by date stamp i.e.: %d_%m_%y-LogFile.
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Hi. I haven't had to write bash scripts in a long time and have a simple task to do, but need some help:
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Hi,
I need a shell/command to achieve this task.
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I'm looking for some ideas on how to change some file names. I'm pretty sure I need to use sed or awk but they still escape me. The files I have are like:
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Hello Experts,
I have .txt file which has various columns and 4 rows.
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Min 0.2 0.9 0.3 0.6
Diff 0.1 0 0.1 0
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Max 0.5 1.1 0.6 0.8
Min 0.1 0.7 0.2 0.4
Diff 0.4 0.4 0.4 0.4
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LEARN ABOUT CENTOS
sys::meminfo
MemInfo(3) User Contributed Perl Documentation MemInfo(3)
Sys::MemInfo - Memory informations
SYNOPSIS
use Sys::MemInfo qw(totalmem freemem totalswap);
print "total memory: ".(&totalmem / 1024)."
";
print "free memory: ".(&freemem / 1024)."
";
print "total swap: ".(&totalswap / 1024)."
";
print "free swap: ".(Sys::MemInfo::get("freeswap") / 1024)."
";
DESCRIPTION
Sys::MemInfo return the total amount of free and used physical memory in bytes in totalmem and freemem variables.
Total amount of free and user swap memory are alse returned in totalswap and freeswap variables.
This module has been tested on Linux 2.6.10, UnixWare 7.1.2, AIX5, OpenBSD 3.8, NetBSD 2.0.2, FreBSD 5.4, HPUX11, Solaris 9, Tru64 5.1,
Irix 6.5, Mac OS X 10.2 darwin and Windows XP.
It should work on FreeBSD 4 and Windows 9X/ME/NT/200X/Vista.
METHODS
availkeys
Return list of all accessor keys (freemem, totalmem, etc.) This is useful for dumping out all known information from the object by
calling get() on all of the returned keys.
freemem
Returns free physical memory in bytes.
freeswap
Returns free swap space in bytes.
get Returns the value of the passed key.
totalmem
Returns total physical memory size in bytes.
totalswap
Returns total swap space in bytes.
AUTHOR
Sylvain Cresto <scresto@gmail.com>
Thanks to Laurent Dufour and Wilson Snyder.
BUGS
Please send bug-reports to scresto@gmail.com
LICENCE
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
COPYRIGHT
Copyright (C) 2005, 2006 - Sylvain Cresto
perl v5.16.3 2006-11-09 MemInfo(3)