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= How to install sage-combinat at the *-Combinat conference =

You have a few options.

    1. If you use Windows, then scroll down and follow the instructions under the heading '''How to install the sage-combinat patches'''.

    1. Binary installation (Mac OS X and various Linux distributions):

        * Download a binary distribution ''for your system'' from [[http://sage.math.washington.edu/home/wstein/binaries/4.1.combinat/]] and follow the [[http://wiki.sagemath.org/DownloadAndInstallationGuide|installation instructions]].

    1. People (such as FrancoSaliola) will have the above downloads on USB keys; ask them to borrow their USB keys. Then follow the above [[http://wiki.sagemath.org/DownloadAndInstallationGuide|installation instructions]]. Don't forget to return the USB key!

    1. If neither of the above two options work for you, then you need to compile Sage from the sourcecode. This is not scary, it just takes a while.

        * Download the source code from [[http://sagemath.org/download-source.html]] and follow the installation instructions on that page.

Congratulations, you are now happy.

'''Optional Step''': If you want to participate in the development of sage-combinat, run the following command ''inside the sage directory'':
    {{
./sage -combinat install
    }}
(If this step fails, please send an email to the
[[http://groups.google.com/group/sage-combinat-devel|sage-combinat-devel]]
mailing list with the error message.)
}}}



= How to install the sage-combinat patches =

=== Short installation instructions ===

'''Step 1.''' To use the features developed by Sage-combinat, you first need to install Sage. You have two options.

    1. Binary installation (takes less time; only option on Windows; only works if a binary exists for your system):

        * Download a binary distribution ''for your system'' from [[http://www.sagemath.org/download]] and follow the [[http://wiki.sagemath.org/DownloadAndInstallationGuide|installation instructions]]

    2. Source installation (recommended, but time-consuming; works for Linux and OSX as long as you have a C/C++/Fortran compiler):

        * Download the source code from [[http://sagemath.org/download-source.html]] and follow the installation instructions on that page.

'''Step 2.''' Step 1 already installs the Sage-combinat package. If you really need the latest features of Sage-Combinat, you need to install the Sage-Combinat patches on top by running the following command ''inside the sage directory'':
    {{{
./sage -combinat install
    }}}
This works best with the latest version.
 
-----------------------------
Sage 5.0 includes more than 40 new patches from the Sage-Combinat project ! As a consequence, It has been quite tedious to keep the
Sage-Combinat queue working on both 4.8 and 5.0. Therefore:
{{{#!wiki caution
'''We will officially drop the support for the Sage-Combinat queue on Sage < 5.0 Friday 2012, May 18th. This includes Sage 4.8, and all beta/rc versions of Sage 5.0.'''
}}}
See more details on [[https://groups.google.com/group/sage-combinat-devel/browse_thread/thread/3b76e4d9983024e3?hl=fr&noredirect=true|This thread]].
-----------------------------

If this step fails, please send an email to the
[[http://groups.google.com/group/sage-combinat-devel|sage-combinat-devel]]
mailing list with the error message.

=== Long instructions ===

 * See the [[http://wiki.sagemath.org/combinat/MercurialStepByStep|Patch server Step by step tutorial]] (in particular, how to '''download Sage-Combinat''')