From 54f1cb544e55189287ad05ef02e0bcdcbd9912c0 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 18 Mar 2019 17:40:41 -0400
Subject: ob_substvars(): Replace here-document with printf

---
(limited to 'lib')

diff --git a/lib/control.sh b/lib/control.sh
index ddd7cc9..7a85715 100644
--- a/lib/control.sh
+++ b/lib/control.sh
@@ -319,10 +319,7 @@ ob_substvars()
 		esac
 
 		# Perform the substitution.
-		name="$(tr 'a-z-' 'A-Z_' <<-EOF
-			${name}
-			EOF
-			)"
+		name="$(printf '%s' "${name}" | tr 'a-z-' 'A-Z_')"
 		if eval "[ x\"\${_OB_SUBSTVAR_SRC_${name}:+set}\" = x'set' ]"
 		then
 			name="_OB_SUBSTVAR_SRC_${name}"
--
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