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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
Reading in XML in Ruby with xmlsimple

The xmlsimple Ruby gem allows you to load in a file (or IO handle object or string) of XML as a multidimensional collection - hashes of arrays of hashes. There's a sample program here which includes this code to load the data from after __END__:

  require 'xmlsimple'
  info = XmlSimple.xml_in(DATA)


If I now the structure of what I'm getting, I can then access elements directly, for example:

  p info["access"][0]["where"][0]

and if I don't know what the structure is, I can use Ruby to explore it. The source code at the link above contains a complete recursive piece of code for displaying a Hash that contains hashes, arrays and printable values to get you started!

There's an example using the alternative (standard) rexml library - [here].
(written 2016-05-18, updated 2016-05-19)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
R117 - Ruby GUIs, XML, SQL Database Connectivity
  [1890] MySQL database from Ruby - an example - (2008-11-16)
  [2714] A simple example - XML from a Ruby program - (2010-04-10)
  [4006] Ruby / SQLite3 example program, showing JOIN v LEFT JOIN - (2013-02-16)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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