linux-tutorial/codes/shell/输入和输出/参数计数.sh
2019-10-29 18:22:19 +08:00

12 lines
214 B
Bash

#!/usr/bin/env bash
# getting the number of parameters
echo There were $# parameters supplied
#花括号里不能使用美元符号
params=$#
echo The last parameter is $params
echo The last parameter is ${!#}