) {
+ print FFHS $_;
+ }
+ close(FFH);
+ close(FFHS);
+ $ps_file=$new_ps_file;
+ }
+ &busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null",
+ "for $status_statement now Converting PS to PDF",
+ \%prog_state,$pdf_file);
+
my $texlog = $texfile;
my $texaux = $texfile;
my $texdvi = $texfile;
@@ -348,10 +664,10 @@ foreach $texfile (@texfile) {
my @garb = ($texlog,$texaux,$texdvi,$texps);
# unlink @garb;
unlink $duefile;
- print "$link_text";
+ print "$link_text - click here to download pdf";
print "\n";
}
- }
+ }
} else {
print "LaTeX file $texfile was not created successfully";
}
@@ -371,9 +687,168 @@ if ($number_of_files>1) {
$zipfile=~s/\/home\/httpd//;
print "
A ZIP file of all the PDFs.";
}
-if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
+if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
+print(&Apache::loncommon::end_page());
+my $done;
+sub REAPER {
+ $done=1;
+}
+sub busy_wait_command {
+ my ($command,$message,$progress_win,$output_file)=@_;
+
+ $SIG{CHLD} = \&REAPER;
+ $done=0;
+ print(" Doing : $command");
+ my $pid=open(CMD,"$command |");
+ if ($advanced_role) {
+ &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message);
+ }
+ while(!$done) {
+ sleep 1;
+ my $extra_msg;
+ if ($output_file) {
+ my $size=(stat($output_file))[7];
+ $extra_msg=", $size bytes generated";
+ }
+ if ($advanced_role) {
+ &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,
+ $message.$extra_msg);
+ }
+ }
+ $SIG{CHLD}='IGNORE';
+ close(CMD);
+}
+ print("
End
");
+
+# Repagninate
+# What we need to do:
+# - Count the number of pages in each student.
+# - Rewrite the latex file replacing the \specials that
+# mark the end of student with an appropriate number of newlines.
+# parameters:
+# psfile - Postscript filename
+# latexfile - LaTeX filename
+# columns - number of columns.
+sub repaginate {
+
+ # We will try to do this in 2 passes through the postscript since
+ # the postscript is potentially large, to do 2 passes, the first pass
+ # must be able to calculate the total number of document pages so that
+ # at the beginning of the second pass we already know how to replace
+ # %%Pages:
+
+ # Figure out
+ # 1. Number of pages in the document
+ # 2. Maximum number of pages in a student
+ # 3. Number of pages in each student.
+
+ my ($postscript_filename, $latex_filename, $num_columns) = @_;
+ open(PSFILE, "<$postscript_filename");
+ my $line;
+ my $total_pages; # Total pages in document.
+ my $seen_pages = 0; # There are several %%Pages only the first is useful
+ my $student_number = 0; # Index of student we're working on.
+ my @pages_in_student; # For each student his/her initial page count.
+ my $max_pages = 0; # Pages in 'longest' student.
+ my $page_number = 0;
+ &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
+ "Counting pages for student: ".$student_number+1);
+
+ while ($line = ) {
+
+ # Check for total pages (%%Pages:)
+
+ if (($line =~ /^%%Pages:/) && (!$seen_pages)) {
+ my @pageinfo = split(/ /,$line);
+ $total_pages = $pageinfo[1];
+ $seen_pages = 1;
+ }
+ # Check for %%Page: n m $page_number will be the
+ # biggest of these until we see an endofstudent.
+ # Note that minipages generate spurious %Page: 1 1's so
+ # we only are looking for the largest n (n is page number at the
+ # bottom of the page, m the page number within the document.
+ #
+
+ if ($line =~ /^%%Page:/) {
+ my @pageinfo = split(/ /, $line);
+ if ($page_number < $pageinfo[1]) {
+ $page_number = $pageinfo[1];
+ }
+ }
+ # ENDOFSTUDENTSTAMP - save the page_number, reset and, if necessary
+ # udpate max_pages.
+ #
+ if ($line =~ /ENDOFSTUDENTSTAMP/) {
+ $pages_in_student[$student_number] = $page_number;
+ $student_number++;
+ &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
+ "Counting pages for student: ".$student_number+1);
+
+ if ($page_number > $max_pages) {
+ $max_pages = $page_number;
+ }
+ $page_number = 0;
+
+ }
+
+ }
+ close(PSFILE);
+ # If 2 columns, max_pages must go to an even number of columns:
+
+ &Apache::lonnet::logthis("Before 2 col adjust max-pages = $max_pages");
+
+ if ($num_columns == 2) {
+ if ($max_pages % 2) {
+ $max_pages++;
+ }
+ }
+ &Apache::lonnet::logthis("after adjust: $max_pages");
+
+ # Now rewrite the LaTex file, substituting our \special
+ # with an appropriate number of \newpage directives.
+
+ my $outfilename = $latex_filename."temp";
+
+ open(LATEXIN, "<$latex_filename");
+ open(LATEXOUT, ">$outfilename");
+
+
+ $student_number = 0; # first student...
+ &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
+ "Repaginating student ".$student_number+1);
+
+ while (my $line = ) {
+ if ($line eq "\\special{ps:ENDOFSTUDENTSTAMP}\n") {
+ # only end of student stamp if next line is ENDOFSTUDENTSTAMP:
+
+
+ # End of student replace with 0 or more newpages.
+
+ my $addlines = $max_pages - $pages_in_student[$student_number];
+ &Apache::lonnet::logthis("student: $pages_in_student[$student_number] add: $addlines");
+ while($addlines) {
+ print LATEXOUT '\linebreak This page left intentionally blank \pagebreak';
+
+ $addlines--;
+ }
+
+ $student_number++;
+ &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
+ "Repaginating student ".$student_number+1);
+
+ } else {
+ print LATEXOUT $line;
+ }
+ }
+
+ close(LATEXIN);
+ close(LATEXOUT);
+ rename($outfilename, $latex_filename);
+
+}