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Annotation of doc/loncapafiles/mimetex_version_check.piml, revision 1.1

1.1     ! raeburn     1: <!DOCTYPE piml PUBLIC "-//TUX/DTD piml 1.0 Final//EN" 
        !             2: 	"http://lpml.sourceforge.net/DTD/piml.dtd">
        !             3: <!-- mimetex_version_check.piml -->
        !             4: <!-- Stuart Raeburn -->
        !             5: 
        !             6: <!-- $Id: mimetex_version_check.piml,v 1.1 2008/12/18 17:27:01 raeburn Exp $ -->
        !             7: 
        !             8: <!--
        !             9: 
        !            10: This file is part of the LearningOnline Network with CAPA (LON-CAPA).
        !            11: 
        !            12: LON-CAPA is free software; you can redistribute it and/or modify
        !            13: it under the terms of the GNU General Public License as published by
        !            14: the Free Software Foundation; either version 2 of the License, or
        !            15: (at your option) any later version.
        !            16: 
        !            17: LON-CAPA is distributed in the hope that it will be useful,
        !            18: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            19: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            20: GNU General Public License for more details.
        !            21: 
        !            22: You should have received a copy of the GNU General Public License
        !            23: along with LON-CAPA; if not, write to the Free Software
        !            24: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
        !            25: 
        !            26: /home/httpd/html/adm/gpl.txt
        !            27: 
        !            28: http://www.lon-capa.org/
        !            29: 
        !            30: -->
        !            31: 
        !            32: <piml>
        !            33: <files>
        !            34: <file>
        !            35: <target dist="default">/</target>
        !            36: <perlscript mode="fg">
        !            37:     my $currversionfile = '/home/httpd/lonTabs/mimetex-version';
        !            38:     my $newversionfile = '../cgi/mimeTeX/VERSION';
        !            39:     my $fh;
        !            40:     if (-e $newversionfile) {
        !            41:         if (open($fh, "&lt;$newversionfile")) {
        !            42:             my $newversion = &lt;$fh&gt;;
        !            43:             close($fh);
        !            44:             chomp($newversion);
        !            45:             if ($newversion=~ /^\d+\.\d+$/) { 
        !            46:                 if (-e $currversionfile) {
        !            47:                     if (open($fh, "&lt;$currversionfile")) {
        !            48:                         my $currversion = &lt;$fh&gt;;
        !            49:                         close($fh);
        !            50:                         chomp($version);
        !            51:                         if ($currversion=~ /^\d+\.\d+$/) {
        !            52:                             if ($currversion ne $newversion) {
        !            53:                                 unlink('/home/httpd/cgi/mimetexcache/*.gif');
        !            54:                                 print "All .gif files cached by previous mimeTeX version have been removed from the mimetexcache directory\n";
        !            55:                                 if (open($fh, "&gt;$currversionfile")) {
        !            56:                                     print $fh "$newversion";
        !            57:                                     close($fh);
        !            58:                                     print "mimetex-version file in /home/httpd/lonTabs set to version: $newversion.\n";
        !            59:                                 }
        !            60:                             }
        !            61:                         }
        !            62:                     }
        !            63:                 } else {
        !            64:                     unlink('/home/httpd/cgi/mimetexcache/*.gif');
        !            65:                     print "All .gif files cached by previous mimeTeX version have been removed from the mimetexcache directory\n";
        !            66:                     if (open($fh, "&gt;$currversionfile")) {
        !            67:                         print $fh "$newversion";
        !            68:                         close($fh);
        !            69:                         print "mimetex-version file in /home/httpd/lonTabs set to version: $newversion.\n";`
        !            70:                     }
        !            71:                 }
        !            72:             }
        !            73:         }
        !            74:     }
        !            75: </perlscript>
        !            76: </file>
        !            77: </files>
        !            78: </piml>