From 5d950c81d9073daa2478a7724459f95ccf15fb03 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 01 Sep 2014 14:49:50 -0400
Subject: set_substvar(): Use printf instead of echo

---
diff --git a/lib/substvars.sh b/lib/substvars.sh
index ee7e860..5ef662b 100644
--- a/lib/substvars.sh
+++ b/lib/substvars.sh
@@ -29,7 +29,7 @@ set_substvar()
 	local value="${2}"
 
 	# Convert variable name to lower case and validate.
-	name="$(echo "${name}" | tr 'A-Z-' 'a-z_')"
+	name="$(printf '%s\n' "${name}" | tr 'A-Z-' 'a-z_')"
 	case "${name:- }" in
 		*[!a-z0-9_]*)
 			error 2 "$(get_msg 'substvar_invalid')" "${name}"
--
cgit v0.9.1