[Haskell-beginners] apt cabal hackage
aslatter at gmail.com
Sat Sep 24 07:55:57 CEST 2011
On Sat, Sep 24, 2011 at 12:43 AM, csmagic <csmagic at gmail.com> wrote:
> On Sat, Sep 24, 2011 at 10:45 AM, Antoine Latter <aslatter at gmail.com> wrote:
>> On Fri, Sep 23, 2011 at 10:42 PM, csmagic <csmagic at gmail.com> wrote:
>> > On Thu, Sep 22, 2011 at 4:20 PM, Amy de Buitléir <amy at nualeargais.ie>
>> > wrote:
>> >> csmagic <csmagic <at> gmail.com> writes:
>> >> >
>> >> > Thanks Joey, AmyNow I want to go 'backwards'.For example I have
>> >> > Language.Haskell.Exts.SyntaxI want to dig into it. Where/How do I
>> >> > start?
>> >> Using either Hayoo or Hoogle, search for
>> >> "Language.Haskell.Exts.Syntax".
>> >> Click on
>> >> the results to find out more about this module (what package it's in,
>> >> what
>> >> methods it contains, etc.) Does that answer your question?
>> > Trying out the graphviz package...
>> > $ cabal list|grep -i graphviz
>> > gives
>> > cabal: <stdout>: invalid argument
>> > and nothing else
>> Your example works great for me. What OS are you using, and what
>> version of cabal?
>> You could also try:
>> > cabal list graphviz
>> But that doesn't give you all of the power of regular expressions.
My only guess is that something is odd about your terminal - I've
never seen that error message before, on linux or anywhere else.
> $ cabal --version
> cabal-install version 0.10.2
> using version 188.8.131.52 of the Cabal library
> [I just did a cabal update cabal. Did not do anything as far as I can see]
> $ uname -rv
> 2.6.32-5-686 #1 SMP Tue Mar 8 21:36:00 UTC 2011
> $ cat /etc/debian_version
> On a related note I find a lot of libghc6-something-or-other which are all
> described as dummy packages.
> Is Debian not the best system to play around with Haskell?
> I gather gentoo is where the most haskell development happens...
I used to do Haskell development on Ubuntu - I would install the base
libraries from apt, and then use 'cabal' user installs to do the rest.
These days I work on a Mac, where I start with the Haskell Platform
There's an active Debian+Haskell group; I don't know much about gentoo
(maybe they don't advertise as much).
Sorry I couldn't be of much help with the odd error.
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