shell 脚本传参数

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用$1 $2等接收参数 

currentday=$1;
goaluser=$2;
if [ -z $currentday ]; then
  currentday=`date -d "1 day ago" +"%Y%m%d"`
fi
if [ -z $goaluser ]; then
  goaluser=1000000;
fi
echo $currentday $goaluser;

 分别执行 

sh xx.sh

20190118 1000000

sh xx.sh 20200202 

20200202 1000000

sh xx.sh 20200202  990000

20200202  990000