Using a bash-specific feature

diff --git a/linux-tests/mkdirtree b/linux-tests/mkdirtree
index 1e8b0165ae9278c4ddbdcf19cf7ae92a83a4fc05..2a3b2c7d998a5a20693a17bebbac5a82e841c085 100755 (executable)
--- a/linux-tests/mkdirtree
+++ b/linux-tests/mkdirtree
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 TREE_BASE=/mnt/dirtree