Or just use ghc -e, e.g. some useful scripts for interact: #!/bin/bash ghc -e "interact ($1)" line processing: #!/bin/bash ghc -e "interact (unlines . map (

Or just use ghc -e, e.g. some useful scripts for interact: #!/bin/bash ghc -e "interact ($1)" line processing: #!/bin/bash ghc -e "interact (unlines . map ($1) . lines)"