use bash for eval_r

diff --git a/eval_r b/eval_r
index ef0ad7376150f9ba457ce09de75ca02584775229..5714c5212d40aba60f734ef53f7aa1300af2d33b 100755 (executable)
--- a/eval_r
+++ b/eval_r
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 TMP="$(mktemp -d)"