Different files have different standards and structures. Whether you can get the file size from the file structure depends on whether this attribute is defined in the file structure standard.
If you just want to get the file size, there is no need to use this method! ?
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Different files have different standards and structures. Whether you can get the file size from the file structure depends on whether this attribute is defined in the file structure standard.
If you just want to get the file size, there is no need to use this method! ?