2010-07-31 22:25:26 Petteri Räty napisał(a):
> On 07/31/2010 11:10 PM, Arfrever Frehtes Taifersar Arahesis wrote:
> >>
> >> If the variable is set but not exported then it is local to the shell
> >> env. When bash goes to exec() python the local shell variables are
> >> not in the env; so os.environ() will not contain them.
> >>
> >> anta...@kyoto ~ $ foo=BAR
> >> anta...@kyoto ~ $ echo $foo
> >> BAR
> >> anta...@kyoto ~ $ python -c 'import os; print os.environ.get("foo")'
> >> None
> >> anta...@kyoto ~ $ export foo
> >> anta...@kyoto ~ $ python -c 'import os; print os.environ.get("foo")'
> >> BAR
> >
> > I want only variables exported to Python processes.
> >
>
> export -p
It would have to be parsed using e.g. grep and sed. It's easier to call Python
in this case.
The call to Python is sufficiently fast:
$ time python -c 'import os; print(os.environ.get("LC_ALL",
os.environ.get("LC_CTYPE", os.environ.get("LANG", "POSIX"))))' > /dev/null
real 0m0.062s
user 0m0.051s
sys 0m0.011s
--
Arfrever Frehtes Taifersar Arahesis
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