ob_set_substvar(): Replace sed with read

1 files changed, 3 insertions, 10 deletions

diff --git a/lib/control.sh b/lib/control.sh
index 9e8bb71..a20ea3c 100644
--- a/lib/control.sh
+++ b/lib/control.sh
@@ -215,16 +215,9 @@ ob_set_substvar()
 	esac
 
 	# Trim leading and trailing whitespace from value.
-	# TODO: "read" can probably do this more simply.
-	value="$(echo "${value}" | sed -n '
-		H;             # Store each input line in the hold space.
-		${             # At the last line of input:
-		  g;           # restore the hold space into the pattern space,
-		  s/^[\n]*//;  # remove leading newline characters,
-		  s/[\n]*$//;  # remove trailing newline characters, and
-		  p;           # print the results.
-		};
-		')"
+	read -r value <<-EOF
+		${value}
+		EOF
 
 	eval "_OB_SUBSTVAR_${name}=\"\${value}\""