You might want to look at Config::Any.

From the docs: 

load_files() attempts to load configuration from the list of files pas
+sed in the files parameter, if the file exists.

[download]
The module recognizes YAML files and will parse them with the appropriate YAML library (which means you have to have it installed).

HTH

The way forward always starts with a minimal test.

In reply to Re^3: Loading multiple files with YAML::XS (named streams) by 1nickt
in thread Loading multiple files with YAML::XS by walkingthecow

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