运行shell脚本提示“syntax error near unexpected token for((i=0;i<$length;i++))”

#!/usr/bin/env bash

county="3 4 5 6 7 8 9 10 11 12 16 29 39 44 53 62 72 84 97 115 128 151 168 187 199 218 230 10079 10239 32478"
array=($county)
length=${#array[@]}

for((i=0;i<$length;i++))
do
     $HIVE_HOME/bin/hive -e "select * from county_area_category where county_id=${array[$i]}" >>  /home/deploy/ouyangyewei/category_area/data/${array[$i]}_county_area_category.txt;
done

done-bash-3.2$ sh test.sh
: command not found
: command not found
'est.sh: line 7: syntax error near unexpected token `
'est.sh: line 7: `for((i=0;i<$length;i++))

-bash-3.2$ cat -v test.sh
#!/usr/bin/env bash^M
^M
county="3 4 5 6 7 8 9 10 11 12 16 29 39 44 53 62 72 84 97 115 128 151 168 187 199 218 230 10079 10239 32478"^M
array=($county)^M
length=${#array[@]}^M
^M
for((i=0;i<$length;i++))^M
do^M
        $HIVE_HOME/bin/hive -e "select * from county_area_category where county_id=${array[$i]}" >>  /home/deploy/ouyangyewei/category_area/data/${array[$i]}_county_area_category.txt;^M

?OO-bash-3.sed 's/\r//' test.sh > county_area_category.sh