[R] Tempfile error

From: Doran, Harold <HDoran_at_air.org>
Date: Thu 07 Jul 2005 - 06:06:47 EST


Dear List:

I am encountering an error that I can't resolve. I'm looping through rows of a dataframe to generate individual tex files using Sweave. At random points along the way, I encounter the following error

 Error in file() : cannot find unused tempfile name

At which point Sweave halts. There isn't a logical pattern that I can identify in terms of why the program stops at certain points. It just seems to be random as far as I can tell. I've searched the archives and of course Sweave FAQs but haven't found much that sheds light on what this error indicates and what I should do to resolve it.

There are approximately 20,000 rows, meaning that about 20,000 tex files are created. If I sample 5,000 or even 10,000 and run the program, I do not encounter an error. It only occurs when I run the program on the full dataframe and even then the error is not occuring at the same point. That is, the row at which the program halts varies each time.

Does anyone have any thoughts on this problem?

-Harold

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