1 files changed, 2 insertions, 2 deletions
diff --git a/build.sh b/build.sh
index f1befea..38a958e 100755
--- a/build.sh
+++ b/build.sh
@@ -14,7 +14,8 @@ function __run__ {
 
 function __clean__ {
     rm -rf $BIN
-    rm -rf $FILES/*.txt
+    rm -rf $FILES/in.*
+    rm -rf $FILES/out.*
     kill $( ps -q $$ -o pgid= ) # exit
 }
 
@@ -27,7 +28,6 @@ fi
 
 
 mkdir -p $BIN
-mkdir -p $FILES
 
 gcc -o $BIN/main      $FLAGS $SRCD/main.c
 gcc -o $BIN/gen_chain $FLAGS $SRCD/gen_chain.c