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Tools to help me look at *.hist and database files.

    1: #!/usr/bin/perl -w
    2: #
    3: # The LearningOnline Network
    4: #
    5: # dump_db.pl - dump a GDBM database to standard output, unescaping if asked to.
    6: #
    7: # $Id: escape.pl,v 1.1 2002/08/19 14:37:14 matthew Exp $
    8: #
    9: # Copyright Michigan State University Board of Trustees
   10: #
   11: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   12: #
   13: # LON-CAPA is free software; you can redistribute it and/or modify
   14: # it under the terms of the GNU General Public License as published by
   15: # the Free Software Foundation; either version 2 of the License, or
   16: # (at your option) any later version.
   17: #
   18: # LON-CAPA is distributed in the hope that it will be useful,
   19: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   20: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   21: # GNU General Public License for more details.
   22: #
   23: # You should have received a copy of the GNU General Public License
   24: # along with LON-CAPA; if not, write to the Free Software
   25: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   26: #
   27: # /home/httpd/html/adm/gpl.txt
   28: #
   29: # http://www.lon-capa.org/
   30: #
   31: #################################################
   32: use strict;
   33: 
   34: #
   35: while (<>) {
   36:     chomp;
   37:     print &escape($_)."\n";
   38: }
   39: exit;
   40: 
   41: ######################################
   42: 
   43: sub unescape {
   44:     my $str=shift;
   45:     $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
   46:     return $str;
   47: }
   48: 
   49: sub escape {
   50:     my $str=shift;
   51:     $str =~ s/(\W)/"%".unpack('H2',$1)/eg;
   52:     return $str;
   53: }