Command Line Syntax
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PerfectForNi commented
| Notation | Description |
|---|---|
| Text without brackets or braces | Items you must type as shown |
| <Text inside angle brackets> | Placeholder for which you must supply a value |
| [Text inside square brackets] | Optional items |
| {Text inside braces} | Set of required items; choose one |
| Vertical bar (|) | Separator for mutually exclusive items; choose one |
| Ellipsis (…) | Items that can be repeated |
Note: | 在方括号中，选项是可选的（也就是可以不选）；在尖括号中，至少要选一个；在花括号中，必须选一个且只能选一个？