What is the importance of $#?

What is the importance of $#?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, shell-scripting, topic-specific, shell, linux, scripting

参考答案摘要

$# usually holds the number of arguments, although it may be different for functions. To put it simply, it was used to store the number of command-line arguments passed to a shell script.

本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案。