1 files changed, 6 insertions, 4 deletions

diff --git a/splice.pl b/splice.pl
index 4210fed..0269063 100644
--- a/splice.pl
+++ b/splice.pl
@@ -70,17 +70,19 @@ for my $filename (@sequence_files) {
   if ($start_frame <= $sequence_i and $sequence_i <= $end_frame) {
     chomp $filename;
     print($pwd . $filename. "\n");
-    system('ln', '-s', $pwd . $filename, sprintf('./sequences/%s/frame_%05d.png', $dataset, $dataset_i));
+    my $a_fn = sprintf('./datasets/%s/train_A/%s_%05d.png', $dataset, $sequence, $sequence_i);
+    my $b_fn = sprintf('./datasets/%s/train_B/%s_%05d.png', $dataset, $sequence, $sequence_i);
+    if (! -e $a_fn) {
+      system('ln', '-s', $pwd . $filename, sprintf('./sequences/%s/frame_%05d.png', $dataset, $dataset_i));
+      $dataset_i += 1;
+    }
     if (defined $last_fn) {
-      my $a_fn = sprintf('./datasets/%s/train_A/%s_%05d.png', $dataset, $sequence, $sequence_i);
-      my $b_fn = sprintf('./datasets/%s/train_B/%s_%05d.png', $dataset, $sequence, $sequence_i);
       if (! -e $a_fn && ! -e $b_fn) {
         system('ln', '-s', $pwd . $last_fn, $a_fn);
         system('ln', '-s', $pwd . $filename, $b_fn);
       }
     }
     $last_fn = $filename;
-    $dataset_i += 1;
   }
   if ($end_frame < $sequence_i) {
     break;