[Haskell-beginners] run another program from within haskell program

[prad]

i have downloaded data from postgresql into a file my haskell program.
i can of course edit this file with say vim.

can i run vim on that file from within haskell and after quiting vim
have control returned to my haskell program?

the situation is like calling vim to edit my claws-mail emails instead
of using the native editor. after editing, i quit the external editor
and am returned to the native editor.

-- 
In friendship,
prad

                                      ... with you on your journey
Towards Freedom
http://www.towardsfreedom.com (website)
Information, Inspiration, Imagination - truly a site for soaring I's