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From: Jarno Huuskonen (Jarno.Huuskonenuku.fi)
Date: Tue May 08 2001 - 06:50:17 CDT

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    Hi,

    While reading some perl documentation with perldoc I noticed that the
    filename of the doc was /tmp/tmp/perldoc1.2099 (2099 was the perldoc pid).

    After that I checked /usr/bin/perldoc and it indeed opens that original
    filename with:
     open(TMP,">>$tmp");

    Also perlcc / perlbug etc. possibly have similar problems.

    I searched for perldoc tmp problems and came up with at least these
    references:
    http://security-archive.merton.ox.ac.uk/archive-199806/0393.html
    http://lists.debian.org/debian-changes-9806/msg00018.html

    So it looks like this is nothing new. The perl version I have is
    5.00503 (RH 6.2 errata). Perl 5.6.0 seems to have a better perldoc that
    uses sysopen(..., O_EXCL ...) for opening the tempfile.

    -Jarno

    PS. perldoc seems to honour $ENV{"TMP"} on windows/dos. Any good reasons
        why not do the same ($ENV{"TMPDIR"}) on Linux/Unix ? 

    -- 
Jarno Huuskonen - System Administrator   |  Jarno.Huuskonenuku.fi
University of Kuopio - Computer Center   |  Work:   +358 17 162822
PO BOX 1627, 70211 Kuopio, Finland       |  Mobile: +358 40 5388169