Shell
==========

.. toctree::
    :maxdepth: 2
    :caption: 基础

    Shell基础.md


.. toctree::
    :maxdepth: 2
    :caption: 进阶

    正则三剑客.md


.. toctree::
    :maxdepth: 2
    :caption: 变量

    变量.md



.. toctree::
    :maxdepth: 2
    :caption: 脚本

    结构和执行.md
    if.md
    case.md
    循环.md
    函数.md