From 86e9bfc8bb759004bf6eaed19dabe06ee9c44e7b Mon Sep 17 00:00:00 2001
From: willson-chen <willson.chenwx@gmail.com>
Date: Fri, 24 Apr 2020 14:25:30 +0800
Subject: [PATCH] opus draft: fix run failed under dash

[[ ]], the compound command is not supported by all
shell interpreter. [ ], the buildin command is more
common.

Signed-off-by: Ralph Giles <giles@thaumas.net>
---
 doc/build_draft.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/build_draft.sh b/doc/build_draft.sh
index d15b22a79..548ac5cde 100755
--- a/doc/build_draft.sh
+++ b/doc/build_draft.sh
@@ -82,7 +82,7 @@ cat opus_source.tar.gz| base64 | tr -d '\n' | fold -w 64 | \
 #echo '</artwork>' >> opus_compare_escaped.c
 #echo '</figure>' >> opus_compare_escaped.c
 
-if [[ ! -d ../opus_testvectors ]] ; then
+if [ ! -d ../opus_testvectors ] ; then
   echo "Downloading test vectors..."
   wget 'http://opus-codec.org/testvectors/opus_testvectors.tar.gz'
   tar -C .. -xvzf opus_testvectors.tar.gz
-- 
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