shell 脚本实现乘法口诀表的两种方法——shell与C语言 话不多说直接给出代码: 1 #!/bin/bash 2 if [ $# -eq 0 ] //用于判断输入的参数个数为0 3 then 4 echo "welcome you!" 5 echo "this is a test with 2 methods to output arbitrarily mux table!" 6 else 7 echo "sorry you input inv...