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On Tue, Apr 25, 2017 at 02:41:58PM +0000, Cook, Malcolm wrote: > Might this combination serve the purpose: > * R session keeps an open handle on the tempdir it creates, > * whatever tempdir harvesting cron job the user has be made sensitive enough not to delete open files (including open directories) Good suggestion but doesn't work with the (increasingly popular)

...$ ls /tmp/somedir/ > ls: cannot access '/tmp/somedir/': No such file or directory Some thing like your example is what I'd expect is always a possibility on some platforms, all of course depending on low things such as root/syadmin/... "permission" to clean up etc. Jeroeen mentioned the fact that tempdir()s also can disappear for other reasons {his was multicore child processes .. bugously(?) implemented}. Further reasons may be race conditions / user code bugs / user errors, etc. Note that the R process which created the tempdir on startup always has the permission...

...ls: cannot access '/tmp/somedir/': No such file or directory > > Some thing like your example is what I'd expect is always a > possibility on some platforms, all of course depending on low > things such as root/syadmin/... "permission" to clean up etc. > > Jeroeen mentioned the fact that tempdir()s also can disappear > for other reasons {his was multicore child processes > .. bugously(?) implemented}. > Further reasons may be race conditions / user code bugs / user > errors, etc. > Note that the R process which created the tempdir on startup &...

.../tmp/somedir/': No such file or directory >> >> Some thing like your example is what I'd expect is always a >> possibility on some platforms, all of course depending on low >> things such as root/syadmin/... "permission" to clean up etc. >> >> Jeroeen mentioned the fact that tempdir()s also can disappear >> for other reasons {his was multicore child processes >> .. bugously(?) implemented}. >> Further reasons may be race conditions / user code bugs / user >> errors, etc. >> Note that the R process which created the...

...uch file or directory >>> >>> Some thing like your example is what I'd expect is always a >>> possibility on some platforms, all of course depending on low >>> things such as root/syadmin/... "permission" to clean up etc. >>> >>> Jeroeen mentioned the fact that tempdir()s also can disappear >>> for other reasons {his was multicore child processes >>> .. bugously(?) implemented}. >>> Further reasons may be race conditions / user code bugs / user >>> errors, etc. >>> Note that the R proces...