On Wed, 1 Nov 2006, Jevgeni Astanovski wrote:

Can anyone give me an advise, why _Rclose can fail?

In main(), you open FileName. The file handle is in fpr. You pass fpr to
CallIterate, which closes the file associated with fpr. Inside
CallIterate, you open FileName again, assigning it to the *local* variable
fpr (local to CallIterate).

On the second CallIterate call, CallIterate tries to close the *original*
fpr, the one local to main, which is already closed.

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