[Haskell-cafe] executable scripts?
Donald Bruce Stewart
dons at cse.unsw.edu.au
Fri Oct 22 20:39:34 EDT 2004
> One of the nice things about perl (for example) is that you can put
> together a script with #!/usr/local/perl (in bash for example) as the first
> line of a file and run it immediately. I've used perl a lot this way with
> simple 'throw away' scripts to do special filtering on a file, or some
> other processing that I want to do one or a few times. occasionally, a
> script like this will have a more permanant value to me, and I keep it
> Is there some way to do something similar in with Haskell? I've tried the
> most obvious (to me) test with Hugs and it doesn't work.
> Surely there is a way to do this!
You can use the runghc command provided with ghc (in ghc/utils/runghc --
cvs only, I think):
paprika$ cat t.hs
main = putStrLn "haskell is fun"
paprika$ chmod 700 t.hs
haskell is fun
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