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

prad prad at towardsfreedom.com
Wed Aug 4 03:10:02 EDT 2010

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.

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