Bruce Momjian wrote:
Tom Lane wrote:
Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> (I'm not finding it right now, but I'm pretty sure that the SUS
>> specifies that numeric userid == 0 for superuser, whereas "root" is
>> not
>> required to be the name, so this would be more correct anyway.)
> Can we assume 'id' is on all unix systems?
What's your point? The script fails anyway if that bit doesn't work.
Is 'id' better than what we have now if 'id' isn't widely supported?
I don't think this is really a question of portability. The variables $USER
and $LOGNAME are not always set to the current (effective) user, e.g. on
linux. That's Chris' current problem, I think. Just compare the difference
of using "su" with and without the "-l" argument:
$ su
# echo $LOGNAME ; echo $USER
mip
mip
# exit
$ su -l
# echo $LOGNAME ; echo $USER
root
root
#
Of course, if you just want to question the use of "id", that's a different
story.
Best Regards,
Michael Paesold
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