Replace csv extension in to_notecards.sh

to_notecards.sh

@@ -16,5 +16,5 @@ mkdir -p $OUTPUT_DIR
 
 # Pipe and redirect python output to files
 for file in ${files[@]}; do
-    ./process "$file" > "$OUTPUT_DIR/${file%.txt}.note"
+    ./process "$file" > "$OUTPUT_DIR/${file%.csv}.note"
 done