Issue #14: Fix named pipe on create task

Signed-off-by: Lucas Fernandes de Oliveira <lfoliveira@inf.ufpr.br>

src/drop.sh

@@ -20,8 +20,8 @@ dropDB() {
 
     # If a error occurs will be sent to error.out
     # If error.out is not empty, should return a error
-    cat $tmpWS/error.out | grep -v "drop cascades to"
-    egrep . $tmpWS/error.out
+    cat $tmpWS/error.out | grep -v "drop cascades to" > $tmpWS/error2.out
+    egrep . $tmpWS/error2.out
     if [[ $? -eq 0 ]]; then
         error=1
     else