(A better mailing list for GHC questions is Glasgow-haskell-users@haskell.org)

I guess you can say ghci Main.hs < run_main >& /dev/null

where run_main contains main

A slight refinement: echo main | ghc -v0 Main.hs the -v0 avoids all extraneous output including the banner and the "Skipping Main..." message. Cheers, Simon