2 files changed, 4 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore
index 6ee9412..cd4f022 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,5 @@ singles*
 *.swp
 *-static
 consistencyChecker/consistencyChecker
+flow
+
diff --git a/warp-mix-dirs.sh b/warp-mix-dirs.sh
index 9ce74c7..136d087 100755
--- a/warp-mix-dirs.sh
+++ b/warp-mix-dirs.sh
@@ -68,8 +68,9 @@ do
   convert -verbose "$a" PNG24:tmp_normalized_0.png
   convert -verbose "$b" PNG24:tmp_normalized_1.png
 
-  if [ $A_ITER -eq 1 ]
+  if [ "$A_ITER" -eq 1 ]
   then
+    echo "generating optical flow..."
     ./makeOptFlow.sh tmp_normalized_%01d.png flow 0
   fi