On Wed, 28 Jul 2010, Jarrod Hadfield wrote:
My main concern is that this could happen again and that the "bug" is not limited to R 2.9. I would think that an accidental carriage return at the end of a file name (even a temporary one) would be a reasonably common phenomenon (I'm surprised I hadn't done it before).
This is a well known attribute of buildsystems generally. Inadvertent errors can cause local damage, and so the recommendation to build in a 'chroot' or in a different userid. Ditto the initial speculation as to you building as root (another common beginner mistake)
Malicious code can 'crawl out of a chroot' as well and wander through a system, or evade checking tools so as to be able to later emerge once in production, but this thread then goes afield from R
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