Module: RemoveDoubleBlank

Defined in:
lib/remove_double_blank.rb,
lib/remove_double_blank/version.rb

Constant Summary collapse

VERSION = 
'0.0.0'.freeze

Class Method Summary collapse

Class Method Details

.update(path) ⇒ Object 



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# File 'lib/remove_double_blank.rb', line 5

def self.update(path)
  path_old = path
  path_new = "#{path_old}.new"
  file_w = open(path_new, 'w')
  n_empty = 0
  File.readlines(path_old).each do |line|
    if line == "\n"
      n_empty += 1
    else
      n_empty = 0
    end  
    file_w.write line if n_empty < 2
  end
  file_w.close
  system("rm #{path_old}")
  system("mv #{path_new} #{path_old}")
end