[Haskell-beginners] "system" call uses a different shell, or does not pick up the whole environment

[Michael Orlitzky]

On 08/28/12 11:19, Hong Yang wrote:
> Hi Brent,
> 
> Thanks for the xargs command info. I did not know it before.
> 
> The other reason I want to play with my mapm version is eventually I
> want to make it concurrent.
> 

GNU Parallel is essentially xargs, run in parallel:

  http://www.gnu.org/software/parallel/

Might solve your problem albeit not in Haskell.