Installed Erlang on OS X 10.6.3 Snow Leopard

I bought 'Seven Languages in Seven Weeks' and one of those languages is Erlang. The version on Fink is v.12, but the latest is version 13, so I decided to install it myself from source. I discovered the directory path for installation is not allowed to have a space in it, so I made a path with no spaces and downloaded there. First the download and unpack; OS X doesnt have wget by default, but curl is there:

curl 'http://www.erlang.org/download/otp_src_R13B04.tar.gz' -o 'otp_src_R13B04.tar.gz'

tar -xzvf otp_src_R13B04.tar.gz

curl 'http://www.erlang.org/download/otp_doc_man_R13B04.tar.gz' -o 'otp_doc_man_R13B04.tar.gz'

Create the directory for installation:

sudo mkdir -p /sw/erlang

Now configure, make and install:

cd otp_src_R13B04

./configure --prefix=/sw/erlang --enable-threads -enable-smp-support --enable-kernel-poll

make

sudo make install

Copy the documentation into place and extract it there:

cp ../otp_doc_man_R13B04.tar.gz /sw/erlang/

cd /sw/erlang

sudo tar -xzvf otp_doc_man_R13B04.tar.gz

sudo rm otp_doc_man_R13B04.tar.gz

Edit your ~/.bashrc to include the documentation and the new erlang binary in the appropriate paths; I use the 'pico' editor, but the lines you add are:

export PATH=$PATH:/sw/erlang/bin

export MANPATH=$MANPATH:/sw/erlang/man

...and source that script to get the new paths with . ~/.bashrc.

Now type 'erl' to get in the Erlang repl, and 'ctrl-C a' to exit.

W3C schema for the RFC 1123 date format

Here's a quickie I didn't find anywhere: XSD for the RFC 1123 date format, as used in http headers; note its only for GMT and years 2000 -2099 (my particular case):

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:annotation><xs:documentation>Schema for RFC 1123 date format type</xs:documentation></xs:annotation>

<xs:simpleType name="RFC1123_date">
<xs:annotation><xs:documentation>RFC 1123 date format.</xs:documentation></xs:annotation>

<xs:restriction base="xs:string">
<xs:pattern value="(Mon|Tue|Wed|Thu|Fri|Sat|Sun), [0-3][0-9] (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) 20[0-9][0-9] [0-2][0-9]:[0-5][0-9]:[0-5][0-9] GMT">
</xs:restriction>
</xs:simpleType>
</xs:schema>