--- loncom/lonnet/perl/lonnet.pm	2004/11/27 17:23:08	1.571
+++ loncom/lonnet/perl/lonnet.pm	2004/12/04 18:35:27	1.573
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.571 2004/11/27 17:23:08 raeburn Exp $
+# $Id: lonnet.pm,v 1.573 2004/12/04 18:35:27 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3812,6 +3812,72 @@ sub mark_as_readonly {
     return;
 }
 
+# ------------------------------------------------------------Save Selected Files
+
+sub save_selected_files {
+    my ($user, $path, @files) = @_;
+    my $filename = $user."savedfiles";
+    my @other_files = &files_not_in_path($user, $path);
+    foreach (@other_files) {
+        &logthis("other dir file $_");
+    }
+    foreach (@files) {
+        &logthis("current dir file $_");
+    }
+    open OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
+    foreach my $file (@files) {
+        print OUT $ENV{'form.currentpath'}.$file."\n";
+    }
+    foreach my $file (@other_files) {
+        print OUT $file."\n";
+    }
+    close OUT;
+    return 'ok';
+}
+
+sub files_in_path {
+    my ($user, $path) = @_;
+    my $filename = $user."savedfiles";
+    my %return_files;
+    open IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
+    while (my $line_in = <IN>) {
+        chomp $line_in;
+        my @paths_and_file = split m!/!, $line_in;
+        my $file_part = pop @paths_and_file;
+        my $path_part = join '/', @paths_and_file;
+        $path_part.='/';
+        my $path_and_file = $path_part.$file_part;
+        if ($path_part eq $path) {
+            $return_files{$file_part}= 'selected';
+        }
+    }
+    close IN;
+    return \%return_files;
+}
+
+# called in portfolio select mode, to show files selected NOT in current directory
+sub files_not_in_path {
+    my ($user, $path) = @_;
+    my $filename = $user."savedfiles";
+    my @return_files;
+    my $path_part;
+    open IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
+    while (<IN>) {
+        #ok, I know it's clunky, but I want it to work
+        my @paths_and_file = split m!/!, $_;
+        my $file_part = pop @paths_and_file;
+        chomp $file_part;
+        my $path_part = join '/', @paths_and_file;
+        $path_part .= '/';
+        my $path_and_file = $path_part.$file_part;
+        if ($path_part ne $path) {
+            push @return_files, ($path_and_file);
+        }
+    }
+    close OUT;
+    return @return_files;
+}
+
 #--------------------------------------------------------------Get Marked as Read Only
 
 sub get_marked_as_readonly {