module RemoveDoubleBlank

Constants

VERSION

Public Class Methods

update(path) click to toggle source

# 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