Method: Commander::UI.available_editor

Defined in:
lib/commander/user_interaction.rb

.available_editor(preferred = nil) ⇒ Object

Find an editor available in path. Optionally supply the preferred editor. Returns the name as a string, nil if none is available.


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# File 'lib/commander/user_interaction.rb', line 237

def available_editor preferred = nil
  [preferred, ENV['EDITOR'], 'mate -w', 'vim', 'vi', 'emacs', 'nano', 'pico'].
    compact.
    find {|name| system("hash #{name.split.first} 2>&-") }
end