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blog:shell:03_shell_cond_and_branch [2022/08/26 11:14] – caodan | blog:shell:03_shell_cond_and_branch [2022/08/26 11:31] (当前版本) – caodan | ||
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行 33: | 行 33: | ||
3. 逻辑判断 | 3. 逻辑判断 | ||
- | | + | ``` |
- | [ condition -a condition ] 与 | + | [ condition -a condition ] 与 |
- | [ condition -o condition ] 或 | + | [ condition -o condition ] 或 |
- | [ condition ! condition ] 非 | + | [ condition ! condition ] 非 |
- | ``` | + | ``` |
4. 字符串判断 | 4. 字符串判断 |