From 1b5a34847f036f66934e2b679be5c899147c4a66 Mon Sep 17 00:00:00 2001
From: Vlad Dumitrescu <vladdu55@gmail.com>
Date: Thu, 13 Apr 2017 20:39:10 +0200
Subject: fix bad usage of 'read' command

---
 kerl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kerl b/kerl
index 97e5dbe..fc7a7f7 100755
--- a/kerl
+++ b/kerl
@@ -588,7 +588,7 @@ _do_build()
     # Check for a .kerl_config.md5 file
     if [ -e "./$KERL_CONFIG_STORAGE_FILENAME.md5" ]; then
         # Compare our current options to the saved ones
-        OLD_SUM=$(read -r < "./$KERL_CONFIG_STORAGE_FILENAME.md5")
+        read -r OLD_SUM < "./$KERL_CONFIG_STORAGE_FILENAME.md5"
         if [ "$SUM" != "$OLD_SUM" ]; then
             echo "Configure options have changed. Reconfiguring..."
             rm -f configure
-- 
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