Method: Lowline#run_editor

Defined in:
lib/lowline.rb

#run_editor {|f| ... } ⇒ Object

Yields:

  • (f) 


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# File 'lib/lowline.rb', line 57

def run_editor
  f = Tempfile.new "ditz"
  yield f
  f.close

  editor = ENV["EDITOR"] || "/usr/bin/vi"
  cmd = "#{editor} #{f.path.inspect}"

  mtime = File.mtime f.path
  system cmd or raise Error, "cannot execute command: #{cmd.inspect}"

  File.mtime(f.path) == mtime ? nil : f.path
end