From a965935c66737cb91dc9ab29c0523678558508a2 Mon Sep 17 00:00:00 2001
From: xuwei06 <xuwei06@1ad973e4-5ce8-4261-8a94-b56d1f490c56>
Date: Wed, 31 Aug 2016 09:25:39 +0000
Subject: [PATCH] Fix quick_start/preprocess.sh for dash

On Ubuntu, /bin/sh is dash. Change to POSIX syntax

ISSUE=4607487

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1455 1ad973e4-5ce8-4261-8a94-b56d1f490c56
---
 demo/quick_start/preprocess.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/demo/quick_start/preprocess.sh b/demo/quick_start/preprocess.sh
index 49141c69fa..516b655e4b 100755
--- a/demo/quick_start/preprocess.sh
+++ b/demo/quick_start/preprocess.sh
@@ -29,11 +29,11 @@ cat pos_*|sort|uniq|shuf> pos.shuffed
 cat neg_*|sort|uniq|shuf> neg.shuffed
 
 min_len=`sed -n '$=' neg.shuffed`
-((test_num=$min_len/10))
+test_num=$((min_len/10))
 if [ $test_num -gt 12500 ];then
  test_num=12500
 fi
-((train_num=$min_len-$test_num))
+train_num=((min_len-test_num))
 
 head -n$train_num pos.shuffed >train.pos
 head -n$train_num neg.shuffed >train.neg
-- 
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