1 #!/bin/bash 2 today=$(date "+%Y%m%d") 3 echo 'today is :'${today} 4 single_input="raw_data/" 5 6 7 startday=$(date "+%Y%m%d" -d '90 days ago') 8 endday=$(date "+%Y%m%d" -d '1 days ago') 9 10 curday=${startday} 11 while (( $curday <= $endday )) 12 do 13 input=${single_input}${curday}/24 14 if [ $curday -eq $startday ];then 15 all_input=$input 16 else 17 all_input=$all_input","$input 18 fi 19 curday=`date -d "+1 day $curday" +%Y%m%d` 20 done 21 22 echo $all_input