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Full Discussion: Logfile rotation script.
Top Forums Shell Programming and Scripting Logfile rotation script. Post 302346723 by HardyV2 on Monday 24th of August 2009 02:54:30 AM
Old 08-24-2009
Logfile rotation script.
I'm trying to find or create a Perl script that:
Checks for and creates these files:

notes
notes.1
notes.2
notes.3
notes.4

The first represents the current log file and the others are older versions. Each time the script runs it would check for the existence of notes.3 and, if it exists, move it to notes.4. Then is should check for notes.2 and move it to notes.3 and so on, until notes is moved to notes.1.

I've looked on the net already, but they're just too complex and try to do too much compared to my requirements.

Does anyone know of a script that does this, or do you have any code that could be adapted easily?

Thanks!
 

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LEARN ABOUT BSD

nfdump

NFDUMP(8)						      System Manager's Manual							 NFDUMP(8)

NAME

       nfdump, nfload - notesfile dump/load programs

SYNOPSIS

       nfdump notesfile

       nfload [ -Ddirectory ] notesfile

DESCRIPTION

       Nfdump and nfload are used to convert notesfile data base formats.

       Nfdump  converts  the  specified  notesfile  to a portable ASCII format and writes it to standard output.  Some diagnostics are produced on
       stderr.	Nfdump can be run by any user; access to a particular notesfile is governed by that notesfile's access list.

       Nfload is used on the output from nfdump to create a new notesfile.  The -D option specifies an alternate base directory for the notesfile.
       If unspecified, this defaults to ``/usr/spool/notes''.  Nfload reads standard input for the ASCII representation of the notesfile.

       Typical	use  of  these	two programs occurs when converting an existing notesfile data base to a new format.  The nfdump program should be
       compiled with the older structure definitions while nfload is compiled with the newer structures.  The data base can then be converted with
       a shell script of the following nature:

	    mkdir .OLD
	    mv * .OLD
	    for i in `ls .OLD`
	    do
		 echo $i start
		 nfdump $i | nfload -D/usr/spool/newnotes $i
	    done
		 echo $i done
	    echo ALL DONE
	    rm -rf .OLD

       This assumes that the old data base is in ``/usr/spool/notes'' and the new data base is to be placed in ``/usr/spool/newnotes''.  After the
       conversion is complete, one can move the old data base from ``/usr/spool/notes'' to ``/usr/spool/oldformat'' and the  new  data	base  from
       ``/usr/spool/newnotes'' to ``/usr/spool/notes''.

FILES

SEE ALSO

       notes(1),
       The Notesfile Reference Manual

AUTHORS

       Ray Essick (uiucdcs!essick, essick%uiuc@csnet-relay.arpa)
       Department of Computer Science
       University of Illinois at Urbana-Champaign
       Urbana, IL

       Rob Kolstad (kolstad@convex.UUCP)
       CONVEX Computer Corporation
       Richardson, TX

							      University of Illinois							 NFDUMP(8)
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