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jk2addict (4946)

jk2addict
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Journal of jk2addict (4946)

Monday December 31, 2007
02:59 PM

File::Temp, Directory::Scratch and -T

[ #35253 ]

I'm posting this so maybe someone else will learn from my pain. I just spent an hour trying to figure out why Directory::Scratch and File::Temp were creating temp directorys in $ENV{TMP} on one test script under Win32, and in the cwd() on another script.

Of course, the answer is that one test has -T, and one does not. With tainting on of course, there is no ENV (TMP/TEMP), so the cwd() is used. It makes sense, but in a way feels like a bug.

At the very least, maybe that should be a big fat warning on the File::Temp pod.


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  • If you do it soon enough, it will end up it 5.10.1!

  • It says pretty clearly that it creates a directory in tmpdir -- and references File::Spec. And File::Spec clearly cites tainting. What's so surprising?

    I think you need to ask yourself why you're running tests in taint mode. Are you testing something that specifically involves taint mode? If so, great. If not -- and you're doing it "just because", then you're setting yourself up to be surprised when the computer goes ahead and does exactly what you asked it to do.

    I used to see this a lot on Windows wher
    • Well, RTFM is a funny thing...the farther away from the module you're using, the less he lack RTFMing is the users fault. As a user of Directory::Scratch, should I have to RTFM three to four levels deep to find one mention of tempdir producing two different results when in and out of taint mode?

      As far as running tests under taint mode, I do it for one reason only: to sooner find our what doesn't work under taint mode. There is nothing more frustrating than trying to turn on Taint in Apache/ModPerl instance,
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