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excluded_from_list? 

        # Rake::FileList.excluded_from_list?

(from gem rake-13.0.6)
### Implementation from FileList
---
    excluded_from_list?(fn)

---

Should the given file name be excluded from the list?

NOTE: This method was formerly named "exclude?", but Rails introduced an
exclude? method as an array method and setup a conflict with file list.
We renamed the method to avoid confusion. If you were using
"FileList#exclude?" in your user code, you will need to update.

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