Shell脚本通常用作胶水,用于自动化和简单的一次性任务。什么是你最喜欢的“隐藏”的Bash shell /脚本语言的功能?
>每个答案一个功能
>给出功能的示例和简短描述,而不仅仅是文档的链接
>使用粗体标题作为第一行标记要素
也可以看看:
> Hidden features of C
> Hidden features of C#
> Hidden features of C++
> Hidden features of Delphi
> Hidden features of Python
> Hidden features of Java
> Hidden features of JavaScript
> Hidden features of Ruby
> Hidden features of PHP
> Hidden features of Perl
> Hidden features of VB.Net