I'm wanting to browse the contents of the ISO 20022 e-repository, per https://www.iso20022.org/iso20022-repository/e-repository but I'm struggling to understand some of the steps as I'm new to Eclipse. It's fair to say I don't even know what form the output will take, so I'm feeling blind!!!
Steps taken:
But I don't know where to go from here, or what to do with the "20200406_ISO20022_2013_eRepository.iso20022" file from the website.
I just don't know what "[t]hen, you have to generate an Eclipse plugin from the implementation metamodel. With this plugin, you can open the repository and browse its content" means or what I would do with it from the link's instructions.
I don't know about your specific metamodel but the following should probably work.
In the .genmodel you probably want to do Generate All (or model/edit at the very least). Then you want to do Run > Run Configurations > right click on 'Eclipse Application' to create a 'new Configuration' and run it. It should launch a new Eclipse, in which the metamodel is deployed.
In this second Eclipse instance, create a new empty project (in an Eclipse workspace, you can't have loose files so you need at least one so-called project, File > New > Project... > General > Project), then right click on it and import your file (btw if you open the file it is probably just an XMI so basically just a complex XML file) and you should be able to open it (or try using right click > open with > sample ecore model editor). It should appear as a tree.