To be honest, I don't see where rename()
would be less robust than the link() / unlink()
combo. Both cases work only on the same file system, both
cases do otherwise the Right Thing, except that rename()
is atomic, where link / unlink are two different
statements. In the case of failure, both statements leave
the original file untouched, but if the unlink()
fails, you are left with an additional link to the old file,
which is not always what you want ...
Update : And even Larry Wall claims that rename
is cool :
Besides, REAL computers have a rename() system call. :-)
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