按时间范围执行每天的脚本

startDate="20191001";
endDate="20191030";

dayTime=`date -d "$startDate -1 days"  "+%Y-%m-%d"`
while [[ $ dayTime < $endDate ]]
do
       dayTime=`date -d "$ dayTime +1 days "  "+%Y-%m-%d"`
      #echo sh start.sh  $ dayTime
      file="/home/test/write_fail_file.txt."$ dayTime".log"
      echo $file
      if [ ! -f "$file" ]; then
        echo 'file not exist'
      else
        echo 'file exist'
        sh start.sh $file /home/test/write_fail.txt
      fi
done