It is not specified by the
language whether the same external file can be associated with more than
one file object. If such sharing is supported by the implementation,
the following effects are defined:
2
Operations
on one text file object do not affect the column, line, and page numbers
of any other file object.
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was deleted.
4
For direct and stream files, the current
index is a property of each file object; an operation on one file object
does not affect the current index of any other file object.
5
For direct and stream files, the current
size of the file is a property of the external file.