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Annotation of loncom/misc/archive_old_files.pl, revision 1.4

1.1       www         1: #!/usr/bin/perl
                      2: # The LearningOnline Network
                      3: # zip all .db and .hist files that have not been accessed in 120 days
                      4: #
1.4     ! foxr        5: # $Id: archive_old_files.pl,v 1.3 2006/05/18 02:17:30 www Exp $
1.1       www         6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: #
                     27: # http://www.lon-capa.org/
                     28: #
                     29: #################################################
1.3       www        30: use Fcntl qw(:flock);
1.1       www        31: 
1.4     ! foxr       32: #
        !            33: #  Since this is a standalone script that may not have access to the
        !            34: #  LONCAPA module, it is going to be exempt form the 'tmp' dir centralization
        !            35: #  effort.
        !            36: 
        !            37: #  This variable may require editing if you are not using standard loncapa 
        !            38: #  directory configurations:
        !            39: 
        !            40: my $tempdir = '/home/httpd/perl/tmp'
        !            41: 
        !            42: my $oldfile = $tempdir."/old_files.lst";
1.1       www        43: system ("find /home/httpd/lonUsers/ -name *.db -atime +120 > $oldfile");
                     44: 
                     45: open(IN,$oldfile);
                     46: while (my $dbfile=<IN>) {
                     47:     chomp($dbfile);
1.3       www        48:     my $sym;
                     49:     open($sym,">>$dbfile.lock");
                     50:     unless (flock($sym,(LOCK_EX|LOCK_NB))) {
                     51:        close($sym);
                     52:        next;
                     53:     }
1.1       www        54:     system("gzip $dbfile");
                     55:     my $histfile=$dbfile;
                     56:     $histfile=~s/\.db$/\.hist/;
                     57:     if (-e $histfile) {
                     58: 	system("gzip $histfile");
                     59:     }
1.3       www        60:     flock($sym,LOCK_UN);
                     61:     close($sym);
1.1       www        62: }
                     63: close(IN);
                     64: unlink($oldfile);