existence()
public
Returns the receiver if the named file exists otherwise returns
nil. pathname.existence is equivalent to
pathname.exist? ? pathname : nil
For example, something like
content = pathname.read if pathname.exist?
becomes
content = pathname.existence&.read
@return [Pathname]
# File activesupport/lib/active_support/core_ext/pathname/existence.rb, line 20
def existence
self if exist?
end