Hello Monks, I found a bit of code searching for a way to clean up an 80G log file that is eating up space on a server. I don't want to just erase everything, I would like to keep 6 months of history at least. Would you be able to help me understand this bit of code? And make it useful for this purpose?

 perl -i.~ -MTime::Local -ane'BEGIN {
  @months{
    qw(
        Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
        )
    } = 1 .. 12;
  
  ( $day, $month, $year ) = (localtime)[ 3 .. 5 ];
  
  $my_dt = timelocal( 0, 0, 0, $day, $month, $year ) - 2 * 60 * 60 * 2
+4;
  }
  
  @dt = split /-/, $F[0];
  
  print 
    if timelocal( 0, 0, 0, $dt[0], $months{ $dt[1] } - 1, $dt[2] ) 
      >= 
      $my_dt
  
  ' logfile

[download]

The logfile has entries as follows...

Jan 26 03:41:14 tul-access-5-8 mgd[61746]: UI_CHILD_STATUS: Cleanup child '/usr/sbin/smid', PID 61756, status 0

Any help in this matter would be greatly appreciated. -Jim

In reply to Script to clean up a log file based on timestamps by JArner

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