Annotation of loncom/interface/printout.pl, revision 1.60

1.1       sakharuk    1: #!/usr/bin/perl
1.37      albertel    2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
                      3: #
1.60    ! albertel    4: # $Id: printout.pl,v 1.59 2004/07/28 22:00:14 albertel Exp $
1.37      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: 
1.39      sakharuk   29: use lib '/home/httpd/lib/perl';
                     30: use LONCAPA::loncgi();
1.38      sakharuk   31: use File::Path;
1.6       sakharuk   32: use IO::File;
1.7       sakharuk   33: use Image::Magick;
1.47      sakharuk   34: use Apache::lonhtmlcommon;
1.51      albertel   35: use Apache::loncommon;
                     36: use Apache::lonlocal;
1.47      sakharuk   37: 
1.59      albertel   38: use strict;
1.49      albertel   39: $|=1;
1.46      albertel   40: my %origENV=%ENV;
1.39      sakharuk   41: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
                     42:     print <<END;
                     43: Content-type: text/html
                     44: 
                     45: <html>
                     46: <head><title>Bad Cookie</title></head>
                     47: <body>
1.40      sakharuk   48: Your cookie information is incorrect.
1.39      sakharuk   49: </body>
                     50: </html>
                     51: END
                     52:     return;
                     53: }
1.51      albertel   54:  &Apache::lonlocal::get_language_handle();
                     55:  &Apache::loncommon::content_type(undef,'text/html');
                     56:  my $bodytag=&Apache::loncommon::bodytag('Creating PDF','','');
                     57:  print $bodytag;
1.39      sakharuk   58: 
1.40      sakharuk   59:   my $identifier = $ENV{'QUERY_STRING'};
                     60:   my $texfile = $ENV{'cgi.'.$identifier.'.file'};
                     61:   my $laystyle = $ENV{'cgi.'.$identifier.'.layout'};
                     62:   my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'};
                     63:   my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'};
                     64:   my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'};
                     65:   my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'};
                     66:   my $advans_role = $ENV{'cgi.'.$identifier.'role'};
1.43      sakharuk   67:   my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1;
1.44      sakharuk   68:   my $student_names = $ENV{'cgi.'.$identifier.'studentnames'};
1.47      sakharuk   69:   my $backref = $ENV{'cgi.'.$identifier.'backref'};
1.43      sakharuk   70: 
1.49      albertel   71:   my $adv = $ENV{'request.role.adv'};
                     72:   
1.44      sakharuk   73:   my @names_pack=();
                     74:   if ($student_names=~/_END_/) {  
                     75:       @names_pack=split(/_ENDPERSON_/,$student_names);
                     76:   }
1.46      albertel   77:   #got what we needed reset ENV in case it is to big for system
                     78:   %ENV=%origENV;
1.39      sakharuk   79: 
1.14      sakharuk   80:   my $figfile = $texfile;
                     81:   $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
                     82:   my $duefile = $texfile;
                     83:   $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
                     84:   #do we have figures?
                     85:   if (-e $figfile) {
1.42      albertel   86:       my %done_conversion;
1.14      sakharuk   87:       my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
                     88:       my @content_of_file = <$temporary_file>;
                     89:       close $temporary_file;  
                     90:       my $noteps;
1.49      albertel   91:       my %prog_state;
1.59      albertel   92:       if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80');  }
                     93:       foreach my $not_eps (@content_of_file) {
1.49      albertel   94: 	  chomp($not_eps);
1.14      sakharuk   95: 	  if ($not_eps ne '') {
1.44      sakharuk   96:               my $status_statement='EPS picture for '.$not_eps;
1.41      sakharuk   97: 	      $not_eps=~s|\/\.\/|\/|g;
1.14      sakharuk   98: 	      my $eps_f = $not_eps;
                     99: 	      $eps_f =~ s/\.[^.]*$/\.eps/i;
1.41      sakharuk  100: 	      if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
                    101:                   $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
                    102: 		  $eps_f = '/home/httpd/prtspool/'.$eps_f;
1.58      sakharuk  103: 	      } elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\//) {
                    104: 		  $eps_f=~m/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/(.+)/;
1.41      sakharuk  105: 		  $eps_f = '/home/httpd/prtspool/'.$1;
1.58      sakharuk  106: 	      } elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\//) {
1.57      sakharuk  107: 		  $eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/;
1.56      sakharuk  108: 		  $eps_f = '/home/httpd/prtspool/'.$1.'/'.$2;
1.41      sakharuk  109: 	      }
1.38      sakharuk  110: 	      my $path=$eps_f;
1.41      sakharuk  111: 	      $path=~s/\/([^\/]+)\.eps$//;
1.38      sakharuk  112: 	      File::Path::mkpath($path,0,0777);
1.14      sakharuk  113: 	      my $image = Image::Magick->new;
                    114: 	      $not_eps =~ s/^\s+//;
                    115: 	      $not_eps =~ s/\s+$//;
1.42      albertel  116: 	      if ( exists($done_conversion{$not_eps})) {
                    117: 		  next;
                    118: 	      }
1.49      albertel  119: 	      if ($adv) {
                    120: 		  my $prettyname=$not_eps;
                    121: 		  $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;
1.58      sakharuk  122: 		  $prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|;
1.49      albertel  123: 		  &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname); }
1.42      albertel  124: 	      $done_conversion{$not_eps}=1;
1.59      albertel  125: 	      my $status = $image->Read($not_eps);
1.14      sakharuk  126: 	      if ($status) {print "  $status  ";}
                    127: 	      $image->Set(page => '+100+200'); 
                    128: 	      $status = $image->Write($eps_f);	    
                    129: 	      if ($status) {print "  $status  ";}
1.20      sakharuk  130:               #check is eps exist in prtspool
                    131:               if(not -e $eps_f) {
                    132: 		  for (my $i=0;$i<10000;$i++) {
                    133: 		      if (-e $eps_f.'.'.$i) {
                    134: 			  rename $eps_f.'.'.$i, $eps_f;
                    135: 			  last;
                    136: 		      }
                    137: 		  }
                    138: 	      }  
1.14      sakharuk  139: 	  }
                    140:       }
1.49      albertel  141:       if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
1.52      albertel  142:       unlink($figfile);
1.14      sakharuk  143:   }
1.43      sakharuk  144:   #print "$texfile\n"; #name of the tex file for debugging only   
                    145:   my @texfile=($texfile);
                    146:   if ($number_of_files>1) {
1.49      albertel  147:       @texfile=();
                    148:       for (my $i=1;$i<=$number_of_files;$i++) {
1.43      sakharuk  149: 	  my $new_texfile=$texfile;
1.49      albertel  150: 	  $new_texfile=~s/\.tex/_$i\.tex/;
1.43      sakharuk  151: 	  push @texfile,$new_texfile;
                    152:       } 
                    153:   }
1.49      albertel  154: 
1.44      sakharuk  155: my $ind=-1;
1.49      albertel  156: my %prog_state;
1.59      albertel  157: if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); }
1.54      www       158: my $final_statement="<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />Generated PDF File for:<br />";
1.43      sakharuk  159: foreach $texfile (@texfile) {
1.49      albertel  160:   my $status_statement='';
                    161:   my $link_text='download PDF';
                    162:   $ind++;
                    163:   my @stud_info=split(/_END_/,$names_pack[$ind]);
                    164:   my @tempo_array=split(/:/,$stud_info[0]);
                    165:   my $name;
                    166:   if ($tempo_array[3]) {
                    167:       $name=$tempo_array[3];
                    168:   } else {
                    169:       $name=$tempo_array[0].'@'.$tempo_array[1];
                    170:   }
                    171:   $link_text='<b>'.$name.'</b> ';
                    172:   $status_statement.=$name;
                    173:   if ($#stud_info>0) {
                    174:       @tempo_array=split(/:/,$stud_info[-1]);
1.48      albertel  175:       if ($tempo_array[3]) {
                    176: 	  $name=$tempo_array[3];
                    177:       } else {
                    178: 	  $name=$tempo_array[0].'@'.$tempo_array[1];
                    179:       }
1.49      albertel  180:       $link_text.='- <b>'.$name.':</b>  ';
                    181:       $status_statement.=' -  '.$name;
                    182:   } 
                    183:   if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); }
1.29      sakharuk  184:   if (-e $texfile) {
                    185:       $texfile =~ m/^(.*)\/([^\/]+)$/; 
                    186:       my $name_file = $2;
                    187:       my $path_file = $1.'/';
                    188:       chdir $path_file;
1.59      albertel  189:       my $dvi_file= $name_file; $dvi_file =~ s/\.tex/\.dvi/;
                    190:       &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
                    191: 			 "for $status_statement now LaTeXing file",
                    192: 			 \%prog_state,$dvi_file);
1.40      sakharuk  193:       if ($tableofcontents eq 'yes') {
                    194: 	  system("latex $name_file 1>/dev/null 2>/dev/null");
                    195:       } #to create table of contents
1.33      sakharuk  196:       my $idxname=$name_file;
                    197:       $idxname=~s/\.tex$/\.idx/;
1.40      sakharuk  198:       if ($tableofindex eq 'yes') {
1.33      sakharuk  199: 	  system("makeindex $idxname");
                    200: 	  system("latex $name_file 1>/dev/null 2>/dev/null");
                    201:       } #to create index
1.29      sakharuk  202:       #Do we have a latex error in the log file?
                    203:       my $logfilename = $texfile;
                    204:       $logfilename =~ s/\.tex$/\.log/;
                    205:       my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
                    206:       my @content_of_file = <$temporary_file>;
                    207:       close $temporary_file; 
1.30      sakharuk  208:       my $body_log_file = join(' ',@content_of_file);
                    209:       $logfilename =~ s/\.log$/\.html/;
                    210:       $temporary_file = IO::File->new('>'.$logfilename); 
                    211:       print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
1.29      sakharuk  212:       if ($body_log_file=~m/!\s+Emergency stop/) {
                    213: 	  #LaTeX failed to parse tex file 
                    214: 	  print "<h2>LaTeX could not successfully parse your tex file.</h2>";
                    215: 	  print "It probably has errors in it.<br />";
                    216: 	  my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
                    217: 	  my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
                    218: 	  if ($whereitbegins!=-1 and $whereitends!=-1) {
1.44      sakharuk  219:  	      print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
1.29      sakharuk  220: 	  }
                    221: 	  print "Here are the error messages in the LaTeX log file</br><br />";
                    222: 	  my $sygnal = 0;
                    223: 	  for (my $i=0;$i<=$#content_of_file;$i++) {
                    224: 	      if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
                    225: 		  $sygnal = 1;
                    226: 	      } 
                    227: 	      if ($content_of_file[$i]=~m/Here is how much of/) {
                    228: 		  $sygnal = 0;
                    229: 	      } 
                    230: 	      if ($sygnal) {
                    231: 		  print "$content_of_file[$i]<br />";
                    232: 	      }  
1.36      sakharuk  233: 	  }
                    234:           if ($advans_role) {  
1.35      sakharuk  235:               print "<b><big>The link to ";
                    236:               $logfilename=~s/\/home\/httpd//;
                    237: 	      print "<a href=\"$logfilename\">Your log file </a></big></b>";
                    238: 	      print "\n";
                    239:               #link tooriginal LaTeX file (included according Michael Hamlin desire)
                    240: 	      my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
                    241: 	      my @tex_content_of_file = <$tex_temporary_file>;
                    242: 	      close $tex_temporary_file; 
                    243: 	      my $body_tex_file = join(' ',@tex_content_of_file);
                    244: 	      $texfile =~ s/\.tex$/aaaaa\.html/;
                    245: 	      $tex_temporary_file = IO::File->new('>'.$texfile); 
                    246: 	      print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
                    247: 	      print "<br /><br />";
                    248: 	      print "<b><big>The link to ";
                    249: 	      $texfile=~s/\/home\/httpd//;
                    250: 	      print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
                    251: 	      print "\n";
1.36      sakharuk  252: 	  }
1.35      sakharuk  253: 
1.29      sakharuk  254:       } elsif ($body_log_file=~m/<inserted text>/) {
                    255: 	  my $whereitbegins = index $body_log_file,'<inserted text>';
1.59      albertel  256: 	  print "You are running LaTeX in <b>batch mode</b>.";
1.30      sakharuk  257: 	  while ($whereitbegins != -1) {
                    258: 	      my $tempobegin=$whereitbegins;
                    259: 	      $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
                    260: 	      my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
1.34      sakharuk  261: 	      print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n";
1.30      sakharuk  262: 	      print "Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.\n";
                    263: 	      $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
                    264: 	  }
1.29      sakharuk  265: 	  $name_file =~ s/\.tex/\.dvi/;
                    266: 	  my $new_name_file = $name_file;
                    267: 	  $new_name_file =~ s/\.dvi/\.ps/;
                    268: 	  my $comma = "dvips -Ppdf -G0 -o $new_name_file";
1.59      albertel  269: 	  &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
                    270: 			     "for $status_statement now Converting to PS",
                    271: 			     \%prog_state,$new_name_file);
1.29      sakharuk  272: 	  if (-e $new_name_file) {
                    273: 	      print "<h1>PDF output file (see link below)</h1>\n";
                    274: 	      $new_name_file =~ m/^(.*)\./;
1.59      albertel  275: 	      my $ps_file = my $tempo_file = $1.'temporar.ps';
                    276: 	      my $pdf_file = $1.'.pdf';
1.29      sakharuk  277: 	      if ($laystyle eq 'album' and $numberofcolumns eq '2') {
                    278: 		  $comma = "psnup -2 -s1.0 $new_name_file";
1.59      albertel  279: 		  &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
                    280: 				     "for $status_statement now Modifying PS layout",
                    281: 				     \%prog_state,$tempo_file); 
1.29      sakharuk  282: 	      } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
                    283: 		  $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
1.59      albertel  284: 		  &busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null",
                    285: 				     "for $status_statement now Modifying PS layout",
                    286: 				     \%prog_state,$tempo_file); 
1.29      sakharuk  287: 	      } else {
1.59      albertel  288: 		  $ps_file=$new_name_file;
1.29      sakharuk  289: 	      }	    
1.59      albertel  290: 	      &busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null",
                    291: 				 "for $status_statement now Converting PS to PDF",
                    292: 				 \%prog_state, $pdf_file);
                    293: 
1.29      sakharuk  294: 	      my $texlog = $texfile;
                    295: 	      my $texaux = $texfile;
                    296: 	      my $texdvi = $texfile;
                    297: 	      my $texps = $texfile;
                    298: 	      $texlog =~ s/\.tex/\.log/;
                    299: 	      $texaux =~ s/\.tex/\.aux/;
                    300: 	      $texdvi =~ s/\.tex/\.dvi/;
                    301: 	      $texps =~ s/\.tex/\.ps/;
1.30      sakharuk  302: 	      my @garb = ($texaux,$texdvi,$texps);
1.29      sakharuk  303: #	  unlink @garb;
                    304: 	      unlink $duefile;
1.59      albertel  305: 	      print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>";
1.36      sakharuk  306: 	      if ($advans_role) {  
                    307: 		  print "<br /><br />";
                    308: 		  print "<b><big>The link to ";
                    309: 		  $logfilename=~s/\/home\/httpd//;
                    310: 		  print "<a href=\"$logfilename\">Your log file </a></big></b>";
                    311: 		  print "\n";
                    312: 		  #link tooriginal LaTeX file (included according Michael Hamlin desire)
                    313: 		  my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
                    314: 		  my @tex_content_of_file = <$tex_temporary_file>;
                    315: 		  close $tex_temporary_file; 
                    316: 		  my $body_tex_file = join(' ',@tex_content_of_file);
                    317: 		  $texfile =~ s/\.tex$/aaaaa\.html/;
                    318: 		  $tex_temporary_file = IO::File->new('>'.$texfile); 
                    319: 		  print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
                    320: 		  print "<br /><br />";
                    321: 		  print "<b><big>The link to ";
                    322: 		  $texfile=~s/\/home\/httpd//;
                    323: 		  print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
                    324: 		  print "\n";
                    325: 	      }
1.29      sakharuk  326: 	  }
                    327:       } else {
                    328: 	  #LaTeX successfully parsed tex file 
                    329: 	  $name_file =~ s/\.tex/\.dvi/;
                    330: 	  my $new_name_file = $name_file;
                    331: 	  $new_name_file =~ s/\.dvi/\.ps/;
                    332: 	  my $comma = "dvips -Ppdf -G0 -o $new_name_file";
1.59      albertel  333: 	  &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
                    334: 			     "for $status_statement now Converting to PS",
                    335: 			     \%prog_state,$new_name_file);
1.29      sakharuk  336: 	  if (-e $new_name_file) {
1.44      sakharuk  337: 	      print "<br />$final_statement ";
1.49      albertel  338: 	      $final_statement='';
1.29      sakharuk  339: 	      $new_name_file =~ m/^(.*)\./;
1.59      albertel  340: 	      my $ps_file = my $tempo_file = $1.'temporar.ps';
                    341: 	      my $pdf_file = $1.'.pdf';
1.29      sakharuk  342: 	      if ($laystyle eq 'album' and $numberofcolumns eq '2') {
                    343: 		  $comma = "psnup -2 -s1.0 $new_name_file";
1.59      albertel  344: 		  &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
                    345: 				     "for $status_statement now Modifying PS layout",
                    346: 				     \%prog_state,$tempo_file);
1.29      sakharuk  347: 	      } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
                    348: 		  $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
1.59      albertel  349: 		  &busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null",
                    350: 				     "for $status_statement now Modifying PS layout",
                    351: 				     \%prog_state,$tempo_file); 
1.29      sakharuk  352: 	      } else {
1.59      albertel  353: 		  $ps_file=$new_name_file;
                    354: 	      }
                    355: 	      &busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null",
                    356: 				 "for $status_statement now Converting PS to PDF",
                    357: 				 \%prog_state,$pdf_file);
                    358: 	    
1.29      sakharuk  359: 	      my $texlog = $texfile;
                    360: 	      my $texaux = $texfile;
                    361: 	      my $texdvi = $texfile;
                    362: 	      my $texps = $texfile;
                    363: 	      $texlog =~ s/\.tex/\.log/;
                    364: 	      $texaux =~ s/\.tex/\.aux/;
                    365: 	      $texdvi =~ s/\.tex/\.dvi/;
                    366: 	      $texps =~ s/\.tex/\.ps/;
                    367: 	      my @garb = ($texlog,$texaux,$texdvi,$texps);
1.22      sakharuk  368: #	  unlink @garb;
1.29      sakharuk  369: 	      unlink $duefile;
1.59      albertel  370: 	      print "<a href=\"/prtspool/$pdf_file\">$link_text</a>";
1.29      sakharuk  371: 	      print "\n";
                    372: 	  }
1.14      sakharuk  373:       }
1.29      sakharuk  374:   } else {
                    375:       print "LaTeX file $texfile was not created successfully";
1.14      sakharuk  376:   }
1.43      sakharuk  377: }
1.45      sakharuk  378: print "<br />";
1.44      sakharuk  379: if ($number_of_files>1) {
1.45      sakharuk  380:     my $zipfile=$texfile[0];
                    381:     $zipfile=~s/\.tex/\.zip/;
                    382:     my $statement="zip $zipfile";
1.44      sakharuk  383:     foreach my $file (@texfile) {
1.45      sakharuk  384: 	$file=~s/\.tex/.\pdf/;
                    385: 	$statement.=' '.$file; 
1.44      sakharuk  386:     }
1.49      albertel  387:     print("<pre>Zip Output:\n");
                    388:     system($statement);
                    389:     print("</pre>");
1.45      sakharuk  390:     $zipfile=~s/\/home\/httpd//;
1.49      albertel  391:     print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs.";
1.44      sakharuk  392: }
1.49      albertel  393: if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
1.1       sakharuk  394: 
1.59      albertel  395: my $done;
                    396: sub REAPER {
                    397:     $done=1;
                    398: }
                    399: 
                    400: sub busy_wait_command {
                    401:     my ($command,$message,$progress_win,$output_file)=@_;
                    402:     
                    403:     $SIG{CHLD} = \&REAPER;
                    404:     $done=0;
                    405:     my $pid=open(CMD,"$command |");
1.60    ! albertel  406:     if ($adv) {
        !           407: 	&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message);
        !           408:     }
1.59      albertel  409:     while(!$done) {
                    410: 	sleep 1;
                    411: 	my $extra_msg;
                    412: 	if ($output_file) {
                    413: 	    my $size=(stat($output_file))[7];
                    414: 	    $extra_msg=", $size bytes generated";
                    415: 	}
1.60    ! albertel  416: 	if ($adv) {
        !           417: 	    &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,
        !           418: 						  $message.$extra_msg);
        !           419: 	}
1.59      albertel  420:     }
                    421:     $SIG{CHLD}='IGNORE';
                    422:     close(CMD);
                    423: }
1.1       sakharuk  424: 
                    425: 
                    426: 
1.4       sakharuk  427: 

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