Re: Extract schema from YAML

* Gabriel de Perthuis:
> I'd like to build some kind of schema describing the structure of big
> YAML documents. For example, from the invoice example [1]:
> [snip]
> 
> Can someone show me how to do that?
> Alternatively, I can do that with XML; so if there is no other way, I'll
> try to convert into XML and use the « xmlstarlet elements » command.

I've figured out how to convert into XML, with the help of the
yaml<=>XML post (and various perl tutorials :P ).

In file yaml2xml.pl:
  #!/usr/bin/perl

  use strict;
  use warnings;

  use YAML;
  use XML::Simple;
  use IO::All;

  io('-') < (XML::Simple::XMLout(YAML::Load(io('-')->all)));

So to get a schema, I run:

< doc/data.yml ./yaml2xml.pl > xml
< xml xmlstarlet elements -a | sort -u

-- 
Gabriel de Perthuis


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