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Methods
E

Instance Public methods

existence()

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]

Source: show | on GitHub 

# File activesupport/lib/active_support/core_ext/pathname/existence.rb, line 18
def existence
  self if exist?
end