-
-open F,">","testdata.dat";
-print F "12345670" x 128;
-close F;
-
-open F,">","testbig.dat";
-print F ("12345670" x 8 . "\n") x 4096;
-close F;
+my $F;
+open $F,">","testdata.dat";
+print $F "12345670" x 128;
+close $F;
+
+open $F,">","testbig.dat";
+print $F ("12345670" x 8 . "\n") x 4096;
+close $F;