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documented the new os.open and file objects

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CPunch 2023-09-05 14:41:59 -05:00
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docs/stdlib.md
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@ -59,7 +59,12 @@ Includes functions that interact with the operating system.
| Name | Type | Behavior | Example |
| ------------ | ------------------------------------------------ | ------------------------------------------------------------------------ | ------------------------ |
| os.read | `(path<string>)` -> `<string>` or `<nil>` | Returns a file's contents or nil if it doesn't exist/an error occurred | `os.read("path")` -> `Hello, World!`|
| os.open | `(path<string>)` -> `<bool>, <obj>` | Opens a file at `path` and returns a file object. If the file does not exist, it will be created. | `os.open("test.txt")` -> `true, <file>` |
| os.time | `()` -> `<number>` | Returns the system time in Epoch format | `os.time()` -> `1.61691e+09` |
| os.system | `(cmd<string>)` -> `<number>` | Runs a system command as if it were a terminal and returns the exit code | `os.system("mkdir test")` -> `0` |
> -> means 'returns'
> -> means 'returns'
File objects have the following methods:
| Name | Type | Behavior | Example |
| ------------ | ------------------------------------------------ | ------------------------------------------------------------------------ | ------------------------ |
| file:read | `(amt<number> or "a")` -> `<string>` | Reads `amt` bytes from the file and returns them as a string. If `"a"` is passed, the entire file is read. | `file:read("a")` -> `"Hello world!"` |