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Full Discussion: Rotate log files
Top Forums Shell Programming and Scripting Rotate log files Post 302339323 by aigles on Thursday 30th of July 2009 08:42:27 AM
Old 07-30-2009
With gawk you can do something like that :
Code:
awk -v Keep=30 -F'|' '

function stime(date   ,d,mdate) {
   split(date, d, "/");
   mdate = d[3] " " d[2] " " d[1] " 00 00 00";
   return mktime(mdate);
}

BEGIN {
   secs_in_day   = 24 * 3600;
   current_stime = systime();
   today_date    = strftime("%d/%m/%Y", current_stime);
   today_stime   = stime(today_date);
   limit_stime   = today_stime - Keep * secs_in_day;
   limit_date    = strftime("%d/%m/%Y", limit_stime);

   print "debug - Today is",today_date;
   print "debug - Keep",Keep,"days";
   print "debug - Keep datas from",limit_date,"included";

}

stime($2) >= limit_stime
' inputfile

Inputfile:
Code:
prueba|23/04/2009|00:00:02|NODO_STATUS|UP|
prueba|02/05/2009|00:00:02|NODO_STATUS|UP|
prueba|11/05/2009|00:00:02|NODO_STATUS|UP|
prueba|11/05/2009|00:00:02|NODO_STATUS|UP|
prueba|20/05/2009|00:00:02|NODO_STATUS|UP|
prueba|20/06/2009|00:00:02|NODO_STATUS|UP|
prueba|21/06/2009|00:00:02|NODO_STATUS|UP|
prueba|29/06/2009|00:00:02|NODO_STATUS|UP|
prueba|30/06/2009|00:00:02|NODO_STATUS|UP|
prueba|31/06/2009|00:00:02|NODO_STATUS|UP|
prueba|01/07/2009|00:00:02|NODO_STATUS|UP|
prueba|08/07/2009|00:00:02|NODO_STATUS|UP|

Output:
Code:
debug - Today is 30/07/2009
debug - Keep 30 days
debug - Keep datas from 30/06/2009 included
prueba|30/06/2009|00:00:02|NODO_STATUS|UP|
prueba|31/06/2009|00:00:02|NODO_STATUS|UP|
prueba|01/07/2009|00:00:02|NODO_STATUS|UP|
prueba|08/07/2009|00:00:02|NODO_STATUS|UP|

Jean-Pierre.
 

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LEARN ABOUT DEBIAN

gdcmtar

gdcmtar(1)							       GDCM								gdcmtar(1)

NAME

       gdcmtar - Concatenate/Extract DICOM files.

SYNOPSIS

       gdcmtar [options] file-in file-out

DESCRIPTION

       The gdcmtar is a command line tool used to tar/untar multi-frames images (including SIEMENS MOSAIC file)

PARAMETERS

       file-in	 DICOM input filename

       file-out  DICOM output filename

options
   options
	    --enhance	 enhance (default)
	 -U --unenhance  unenhance
	 -M --mosaic	 Split SIEMENS Mosaic image into multiple frames.
	 -p --pattern	 Specify trailing file pattern.
	    --root-uid	      Root UID.

   general options
	 -h   --help
		print this help text and exit

	 -v   --version
		print version information and exit

	 -V   --verbose
		verbose mode (warning+error).

	 -W   --warning
		warning mode, print warning information

	 -E   --error
		error mode, print error information

	 -D   --debug
		debug mode, print debug information

   environment variable
	 GDCM_ROOT_UID Root UID

Typical usage
   SIEMENS Mosaic
       $ gdcminfo MR-sonata-3D-as-Tile.dcm

       MediaStorage is 1.2.840.10008.5.1.4.1.1.4 [MR Image Storage]
       TransferSyntax is 1.2.840.10008.1.2.1 [Explicit VR Little Endian]
       NumberOfDimensions: 2
       Dimensions: (384,384,1)
       ...

       $ gdcmtar --mosaic -i MR-sonata-3D-as-Tile.dcm -o mosaic --pattern %03d.dcm

       Will output:

       -rw-r--r--   1 mathieu mathieu 72882 2009-08-10 11:14 mosaic000.dcm
       -rw-r--r--   1 mathieu mathieu 72886 2009-08-10 11:14 mosaic001.dcm
       -rw-r--r--   1 mathieu mathieu 72886 2009-08-10 11:14 mosaic002.dcm
       -rw-r--r--   1 mathieu mathieu 72886 2009-08-10 11:14 mosaic003.dcm
       -rw-r--r--   1 mathieu mathieu 72886 2009-08-10 11:14 mosaic004.dcm
       -rw-r--r--   1 mathieu mathieu 72886 2009-08-10 11:14 mosaic005.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic006.dcm
       -rw-r--r--   1 mathieu mathieu 72882 2009-08-10 11:14 mosaic007.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic008.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic009.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic010.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic011.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic012.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic013.dcm
       -rw-r--r--   1 mathieu mathieu 72882 2009-08-10 11:14 mosaic014.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic015.dcm
       -rw-r--r--   1 mathieu mathieu 72882 2009-08-10 11:14 mosaic016.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic017.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic018.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic019.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic020.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic021.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic022.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic023.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic024.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic025.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic026.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic027.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic028.dcm
       -rw-r--r--   1 mathieu mathieu 72884 2009-08-10 11:14 mosaic029.dcm
       -rw-r--r--   1 mathieu mathieu 72882 2009-08-10 11:14 mosaic030.dcm

       $ gdcminfo mosaic000.dcm

       MediaStorage is 1.2.840.10008.5.1.4.1.1.4 [MR Image Storage]
       TransferSyntax is 1.2.840.10008.1.2.1 [Explicit VR Little Endian]
       NumberOfDimensions: 2
       Dimensions: (64,64,1)
       ...

SEE ALSO

       gdcmdump(1), gdcmraw(1), gdcminfo(1)

COPYRIGHT

       Copyright (c) 2006-2011 Mathieu Malaterre

Version 2.2.0							  Tue Feb 5 2013							gdcmtar(1)
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