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tldr/pages.zh/common/case.md
K.B.Dharun Krishna 5c26174aa9
pages/*: update links and more info link script (#11390) 
* pages/*: update links and more info link script

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* cleanup: reformat code

* ax-webapp: fix link

* curl: fix false positive

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

---------

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
2023-11-06 23:14:12 +05:30

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case

case ... esac 与其他语言中的 switch ... case 语句类似，是一种多分枝选择结构。 更多信息：https://www.gnu.org/software/bash/manual/bash.html#index-case.

  • 通过字符串字面量判断执行分支：

case {{入参变量}} in {{字符字面量1}} {{执行语句块1}} ;; {{字符字面量2}}) {{执行语句块2}} ;; *) {{默认执行语句块}} ;; esac

  • 搭配通配符进行匹配，判断执行分支：

case {{入参变量}} in {{通配符或者字符字面量}}) {{执行语句块1}} ; ;; {{通配符或者字符字面量}}) {{执行语句块1}}; ;; *) {{echo "what?"}}; ;; esac