From b7b01105b637cf77248b61d70c036268e2f6f572 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 01 Sep 2014 14:41:51 -0400
Subject: substvars: Use printf instead of echo

---
diff --git a/lib/substvars.sh b/lib/substvars.sh
index 457fb9f..55bbee9 100644
--- a/lib/substvars.sh
+++ b/lib/substvars.sh
@@ -93,7 +93,7 @@ substvars()
 		old_rhs="${rhs}"
 
 		# Perform the substitution.
-		name="$(echo "${name}" | tr 'A-Z-' 'a-z_')"
+		name="$(printf '%s\n' "${name}" | tr 'A-Z-' 'a-z_')"
 		value="$(eval printf '%s\n' "\"\${substvar_${name}}\"")"
 		string="${lhs}${value}${rhs}"
 		depth=$(($depth + 1))
--
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