[Haskell-cafe] web musing

Iavor Diatchki iavor.diatchki at gmail.com
Fri Jun 5 17:42:47 EDT 2009

Hi Conor,
As someone pointed out, CGI is one way to go.
Another option is to write a small Haskell web server. This path is
better if you have an app that needs to keep state, ans uses the
browser mostly as a GUI.

I have just made a package that should make doing this fairly easy.  I
have not uploaded it to hackage yet because I want to make some small
changes still.  You can try out the "pre-release" from here (the usual
cabal steps should work for making a package/installing)

git clone git://code.galois.com/http-server.git

For an example, take a look in the "example" directory, there is a
small web-server there, which shows how to all kinds of things,
including ajax interactions with javascript using jQuery.  For
processing form data there is the module:

Let me know if you have questions, comments, or other feed-back!

On Fri, Jun 5, 2009 at 8:18 AM, Conor McBride<conor at strictlypositive.org> wrote:
> Comrades
> I'm in a perplexing situation and I'd like to appeal to the
> sages.
> I've never written anything other than static HTML in my life,
> and I'd like to make a wee web service: I've heard some
> abbreviations, but I don't really know what they mean.
> I've got a function (possibly the identity, possibly const "",
> who knows?)
>  assistant :: String -> String
> and I want to make a webpage with an edit box and a submit
> button. If I press the submit button with the edit box
> containing string s, I'd like the page to reload with the
> edit box reset to (assistant s).
> Will I need to ask systems support to let me install some
> haskelly sort of web server? Looks likely, I suppose.
> In general, what's an easy way to put a web front end on
> functionality implemented in Haskell?
> Hoping this isn't a hard question
> Conor
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