[Haskell-beginners] apt cabal hackage

[csmagic]

On Sat, Sep 24, 2011 at 11:25 AM, Antoine Latter <aslatter at gmail.com> wrote:

> 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.
>

It seems to be happening elsewhere also:
http://hackage.haskell.org/trac/hackage/ticket/856

Also its more likely a locale issue than a terminal one because I get the
same error when I replace the pipe with a redirection to a file.

And yet my locales dont seem to be odd in any way (I can see)

$ locale
LANG=en_US
LANGUAGE=
LC_CTYPE="en_US"
LC_NUMERIC="en_US"
LC_TIME="en_US"
LC_COLLATE="en_US"
LC_MONETARY="en_US"
LC_MESSAGES="en_US"
LC_PAPER="en_US"
LC_NAME="en_US"
LC_ADDRESS="en_US"
LC_TELEPHONE="en_US"
LC_MEASUREMENT="en_US"
LC_IDENTIFICATION="en_US"
LC_ALL=


$ locale -a
C
C.UTF-8
en_US
en_US.iso88591
en_US.iso885915
en_US.utf8
POSIX



> > $ cabal --version
> > cabal-install version 0.10.2
> > using version 1.10.1.0 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
> > wheezy/sid
> >
> > 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
> installer.
>
> 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.
>
> Antoine
>
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