Annotation of loncom/cgi/plot.gif, revision 1.5

1.5     ! matthew     1: #!/usr/bin/perl
1.1       matthew     2: #
1.5     ! matthew     3: # $Id: plot.gif,v 1.4 2001/12/12 18:36:44 matthew Exp $
1.1       matthew     4: #
                      5: # Copyright Michigan State University Board of Trustees
                      6: #
                      7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      8: #
                      9: # LON-CAPA is free software; you can redistribute it and/or modify
                     10: # it under the terms of the GNU General Public License as published by
                     11: # the Free Software Foundation; either version 2 of the License, or
                     12: # (at your option) any later version.
                     13: #
                     14: # LON-CAPA is distributed in the hope that it will be useful,
                     15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: # GNU General Public License for more details.
                     18: #
                     19: # You should have received a copy of the GNU General Public License
                     20: # along with LON-CAPA; if not, write to the Free Software
                     21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     22: #
                     23: # /home/httpd/cgi-bin/plot.gif
                     24: #
                     25: # http://www.lon-capa.org/
                     26: #
1.4       matthew    27: 
1.5     ! matthew    28: use strict;
        !            29: my $output;
        !            30: my $tmpdir = '/home/httpd/perl/tmp/';
        !            31: my $filename = $tmpdir . $ENV{'QUERY_STRING'};
1.1       matthew    32: 
1.5     ! matthew    33: $output =<<"END";
        !            34: Content-type: text/html
1.4       matthew    35: 
1.1       matthew    36: 
1.5     ! matthew    37: END
1.1       matthew    38: 
1.5     ! matthew    39: if (0) {
        !            40: $output =<<"END";
        !            41: Content-type: image/gif
1.1       matthew    42: 
                     43: 
1.5     ! matthew    44: END
        !            45: $output .= `gnuplot $filename`;
1.4       matthew    46: }
1.5     ! matthew    47: print $output;
1.1       matthew    48: 
                     49: 
                     50: 

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