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Id: 60406
Status: new
Priority: 0/
Queue: PathTools

Owner: Nobody in particular
Requestors: mmusgrove [...]
RIVY [...]

Bug Information
Severity: (no value)
Broken in: (no value)
Fixed in: (no value)

Subject: tmpdir with -T on Windows
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I found a 'Temp Directory "Bug"' this weekend: I was installing some modules and one of the tests in a dependency module failed: I tracked it back to File::Temp's tempfile subroutine and reported a bug: Had I kept going, I would have found that File::Temp uses File::Spec. C:\Users\mmusgrove\Documents>perl -MFile::Spec -e 'print File::Spec->tmpdir' Can't find string terminator "'" anywhere before EOF at -e line 1. When tmpdir is called normally, a sane temporary directory is returned: C:\Users\mmusgrove\Documents>perl -MFile::Spec -e "print File::Spec->tmpdir" C:\Users\MMUSGR~1\AppData\Local\Temp When tmpdir is called with -T, a not so sane directory is returned (namely \): C:\Users\mmusgrove\Documents>perl -T -MFile::Spec -e "print File::Spec->tmpdir" \ Looking at the docs for File::Spec::Win32 and -T, it says that tmpdir will simply throw out the environment variables if they are tainted. This would be fine if it used sane temporary directories but only one of the ones it looks for actually exists on most Windows systems (that would be '\'; however, that directory will NOT be writable on recent versions of Windows such as Vista and Windows 7. 'C:\TEMP\' may or may not exist on Window 3.x or Windows 9x but more than likely will not exist on Windows NT, 2k, XP, Vista or Windows 7. To further complicate things, Windows doesn't seem to provide a temporary directory that is writable by all users. Yes, I could create C:\system\temp or C:\TEMP and make it writable by me. Yes, I could make \ writable by me. Whether anyone agrees with me or not, I don't feel like I should have to. I also feel very strongly that neither should the new guy who wants to give this "perl thing" a try. CPAN module installs should just work and File::Spec is used by more than a few modules so this makes the most sense as the place to fix it. I agree with Curtis Jewell's statement, "What it should do in -T mode, IMO, is to check %TEMP% against a logical regex for Windows filenames (there's none in Regex::Common except for file: URI's, or I'd recommend that), capture if that regex works, and then check for that directory's existence."

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