Class: Pathname

Relationships & Source Files
Inherits:	Object
Defined in:	activesupport/lib/active_support/core_ext/pathname/blank.rb, activesupport/lib/active_support/core_ext/object/json.rb, activesupport/lib/active_support/core_ext/pathname/existence.rb

Instance Attribute Summary

#existence ⇒ Pathname

Returns the receiver if the named file exists otherwise returns nil.

An Pathname is blank if it’s empty:

Pathname.new("").blank?      # => true
Pathname.new(" ").blank?     # => false
Pathname.new("test").blank?  # => false

[ GitHub ]

# File 'activesupport/lib/active_support/core_ext/pathname/blank.rb', line 13


def blank?
  to_s.empty?
end

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

[ GitHub ]

# File 'activesupport/lib/active_support/core_ext/pathname/existence.rb', line 20


def existence
  self if exist?
end