--- \perl\site\lib\Chart\Gnuplot.pm     Wed Nov 05 15:21:26 2008
+++ Gnuplot.pm  Wed Nov 05 15:33:43 2008
@@ -15,8 +15,11 @@
     # Create temporary file to store Gnuplot instructions
     if (!defined $hash{_multiplot})     # if not in multiplot mode
     {
-        my $dirTmp = tempdir(CLEANUP => 1, DIR => '/tmp');
-        $hash{_script} = "$dirTmp/plot";
+#        my $dirTmp = tempdir(CLEANUP => 1, DIR => '/tmp');
+        my $dirTmp = tempdir(CLEANUP => 1, DIR => $ENV{TMP} || $ENV{TEMP} );
+#        $hash{_script} = "$dirTmp/plot";
+        $hash{_script} = $^O eq 'MSWin32' ? "$dirTmp\\plot" : "$dirTmp/plot";
+
     }

     # Default terminal: postscript terminal with color drawing elements
@@ -819,7 +822,8 @@
 {
     my ($self) = @_;

-    my $pltTmp = "$self->{_script}/plot";
+#    my $pltTmp = "$self->{_script}/plot";
+    my $pltTmp = $^O eq 'MSWin32' ? "$self->{_script}\\plot" : "$self->{_script}/plot"
     open(PLT, ">$pltTmp") || confess("Can't write gnuplot script $pltTmp");
     print PLT "set terminal $self->{terminal}\n";
     print PLT "set output \"$self->{output}\"\n";
@@ -1002,8 +1006,10 @@
         my $ydata = $self->{ydata};

         # Create temporary file to store Perl data
-        my $dirTmp = tempdir(CLEANUP => 1, DIR => '/tmp');
-        my $fileTmp = "$dirTmp/data";
+#        my $dirTmp = tempdir(CLEANUP => 1, DIR => '/tmp');
+        my $dirTmp = tempdir(CLEANUP => 1, DIR => $ENV{TMP} || $ENV{TEMP} );
+#        my $fileTmp = "$dirTmp/data";
+        my $fileTmp = $^O eq 'MSWin32' ? "$self->{_script}\\data" : "$dirTmp/data";
         open(DATA, ">$fileTmp") || confess("Can't write data to temp file");

         # Process 3D data set
@@ -1215,8 +1221,10 @@
     {
         my $pt = $self->{points};

-        my $dirTmp = tempdir(CLEANUP => 1, DIR => '/tmp');
-        my $fileTmp = "$dirTmp/data";
+#        my $dirTmp = tempdir(CLEANUP => 1, DIR => '/tmp');
+        my $dirTmp = tempdir(CLEANUP => 1, DIR => $ENV{TMP} || $ENV{TEMP} );
+#        my $fileTmp = "$dirTmp/data";
+        my $fileTmp = $^O eq 'MSWin32' ? "$self->{_script}\\data" : "$dirTmp/data";
         open(DATA, ">$fileTmp") || confess("Can't write data to temp file");

         # 2D data points