--- loncom/interface/lonprintout.pm	2004/02/13 21:13:21	1.276
+++ loncom/interface/lonprintout.pm	2004/02/17 16:24:24	1.278
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Printout
 #
-# $Id: lonprintout.pm,v 1.276 2004/02/13 21:13:21 sakharuk Exp $
+# $Id: lonprintout.pm,v 1.278 2004/02/17 16:24:24 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -982,7 +982,10 @@ ENDPART
 	     $selectionmade=8;
 	 }
 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
-         if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0') {$helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;}
+         if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
+	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
+	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
+	 }
 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
 	 #loop over students
 	 my $flag_latex_header_remove = 'NO'; 
@@ -1155,35 +1158,52 @@ ENDPART
     }
 #-- writing .tex file in prtspool 
     my $temp_file;
-    my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
-    unless ($temp_file = Apache::File->new('>'.$filename)) {
-	$r->log_error("Couldn't open $filename for output $!");
-	return SERVER_ERROR; 
-    }
-    print $temp_file $result;
-    my $begin=index($result,'\begin{document}',0);
-    my $inc=substr($result,0,$begin+16);
-    if ($#print_array>0) {
-        for (my $i=1;$i<=$#print_array;$i++) {
-            my $anobegin=index($print_array[$i],'\setcounter{page}',0);
-	    substr($print_array[$i],0,$anobegin)='';
-	    $print_array[$i]=$inc.$print_array[$i].'\end{document}';
+    my $identifier = &Apache::loncommon::get_cgi_id();
+    my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
+    if (!($#print_array>0)) { 
+	unless ($temp_file = Apache::File->new('>'.$filename)) {
+	    $r->log_error("Couldn't open $filename for output $!");
+	    return SERVER_ERROR; 
+	}
+	print $temp_file $result;
+	my $begin=index($result,'\begin{document}',0);
+	my $inc=substr($result,0,$begin+16);
+    } else {
+	my $begin=index($result,'\begin{document}',0);
+	my $inc=substr($result,0,$begin+16);
+        for (my $i=0;$i<=$#print_array;$i++) {
+	    if ($i==0) {
+		$print_array[$i]=$result;
+	    } else {
+		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
+		substr($print_array[$i],0,$anobegin)='';
+		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
+	    }
 	    my $temp_file;
 	    my $newfilename=$filename;
-	    $newfilename =~s/\.tex$/_add$i\.tex/; 
+	    my $num=$i+1;
+	    $newfilename =~s/\.tex$/_$num\.tex/; 
 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
 		$r->log_error("Couldn't open $newfilename for output $!");
 		return SERVER_ERROR; 
 	    }
 	    print $temp_file $print_array[$i];
 	}
-
     }
     my $student_names='';
     if ($#print_array>0) {
 	for (my $i=0;$i<=$#print_array;$i++) {
 	    $student_names.=$student_names[$i].'_ENDPERSON_';
 	}
+    } else {
+	if ($#student_names>-1) {
+	    $student_names=$student_names[0].'_ENDPERSON_';
+	} else {
+	    my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
+	    $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
+				$ENV{'request.course.sec'},$fullname).
+				    '_ENDPERSON_'.'_END_';
+	}
     }
 
     my $URLback=''; #link to original document
@@ -1196,7 +1216,6 @@ ENDPART
 	if ($URLback=~/([^?]+)/) {$URLback=$1;}
     }
 
-    my $identifier = time.'_'.int(rand(1000));
     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                             'cgi.'.$identifier.'.layout'  => $laystyle,
                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
@@ -1490,7 +1509,7 @@ CHOOSE_STUDENTS
         $paramHash = Apache::lonhelper::getParamHash();
 	$paramHash->{'variable'} = 'NUMBER_TO_PRINT';   
 	$helper->declareVar('NUMBER_TO_PRINT');         
-	addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='0' /><hr width='33%' />");
+	addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='all' /><hr width='33%' />");
 
 	if ($helper->{VARS}->{'assignment'}) {
 	    push @{$printChoices}, ["<b>Resources</b> from <b><i>$sequenceTitle</i></b> for <b>selected students</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
@@ -1518,7 +1537,7 @@ CHOOSE_STUDENTS1
         $paramHash = Apache::lonhelper::getParamHash();
 	$paramHash->{'variable'} = 'NUMBER_TO_PRINT';   
 	$helper->declareVar('NUMBER_TO_PRINT');         
-	addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='0' /><hr width='33%' />");
+	addMessage("<input type='text' name='NUMBER_TO_PRINT.forminput' size='3' value='all' /><hr width='33%' />");
     }
 
     # FIXME: That RE should come from a library somewhere.