+1 (a no-brainer, in my opinion) --- although you can get rid of unsetEnv if you make setEnv take a "Maybe String", which might be better. Ultimately though, who cares what color the bike shed is painted :)

On Wed, Oct 3, 2012 at 8:14 PM, Simon Hengel <sol@typeful.net> wrote:
Hi,
setting environment variables is possible on both POSIX and Windows
systems.  Currently this functionally is missing from
System.Environment; the "unix" package provides an implementation for
POSIX systems.

I propose to add setEnv/unsetEnv to System.Environment, so that it is
easier to write applications that behave the same on POSIX and Windows
systems.

I implemented both in a way, so that they behave exactly the same on
POSIX and Windows (modulo case sensitivity on Windows).

For now I prepared a standalone implementation [1] and corresponding
tests [2].  That implementation depends on the "unix" package.  If the
proposal is accepted, I will prepare a patch against "base" that
includes the relevant code from "unix".

Discussion Period: 2 Weeks

Cheers,
Simon

[1] https://github.com/sol/setenv/blob/master/src/System/SetEnv.hs
[2] https://github.com/sol/setenv/blob/master/test/System/SetEnvSpec.hs

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--
Gregory Collins <greg@gregorycollins.net>