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Annotation of loncom/misc/archive_old_files.pl, revision 1.3

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: #
1.3     ! www         5: # $Id: archive_old_files.pl,v 1.2 2006/05/13 01:35:44 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: 
                     32: my $oldfile="/home/httpd/perl/tmp/old_files.lst";
                     33: system ("find /home/httpd/lonUsers/ -name *.db -atime +120 > $oldfile");
                     34: 
                     35: open(IN,$oldfile);
                     36: while (my $dbfile=<IN>) {
                     37:     chomp($dbfile);
1.3     ! www        38:     my $sym;
        !            39:     open($sym,">>$dbfile.lock");
        !            40:     unless (flock($sym,(LOCK_EX|LOCK_NB))) {
        !            41:        close($sym);
        !            42:        next;
        !            43:     }
1.1       www        44:     system("gzip $dbfile");
                     45:     my $histfile=$dbfile;
                     46:     $histfile=~s/\.db$/\.hist/;
                     47:     if (-e $histfile) {
                     48: 	system("gzip $histfile");
                     49:     }
1.3     ! www        50:     flock($sym,LOCK_UN);
        !            51:     close($sym);
1.1       www        52: }
                     53: close(IN);
                     54: unlink($oldfile);