add a README.md and fix start.sh with a cat all files to a result

eda/recommended_indexs/code/README.md

+功能：
+	从data_feed_click和data_feed_exposure两个表中统计一些推荐指标
+
+用法：
+	用法1(推荐)：
+ 		./start.sh
+	用法2(分开运行)：
+		python getRate.py
+		python getClickTimes2CountUid.py
+		python getTop100Diary.py
+		python getTop100Answer.py
+		python getTop100Question.py
+
+输入输出：
+	输入：无
+	输出：
+		1rate_features_yesterday.txt
+		2click_times_to_count_uid_yesterday.txt
+		3top100_ctr_diary_yesterday.txt
+		4top100_ctr_answer_yesterday.txt
+		5top100_ctr_question_yesterday.csv
+		result_all_yesterday.txt
\ No newline at end of file

eda/recommended_indexs/code/getTop100Question.py

@@ -152,6 +152,6 @@ if __name__ == "__main__":
 	today = datetime.date.today()
 	yesterday = today - datetime.timedelta(days=1)
 	yesterday = yesterday.strftime("%Y%m%d")
-	output_path = "/data2/models/eda/recommended_indexs/5top100_ctr_question_%s.csv" % yesterday
+	output_path = "/data2/models/eda/recommended_indexs/5top100_ctr_question_%s.txt" % yesterday
 	result2file(result_lst,output_path)
 	print("已将top100点击率的question存入文件")

eda/recommended_indexs/code/start.sh

@@ -2,4 +2,6 @@ python getRate.py
 python getClickTimes2CountUid.py
 python getTop100Diary.py
 python getTop100Answer.py
-python getTop100Question.py
\ No newline at end of file
+python getTop100Question.py
+dt=$(date -d last-day +%Y%m%d)
+cat 1rate_features_$dt.txt 2click_times_to_count_uid_$dt.txt 3top100_ctr_diary_$dt.txt 4top100_ctr_answer_$dt.txt 5top100_ctr_question_$dt.txt > result_all_$dt.txt
\ No newline at end of file