Contents

module TextFileMutator
  def self.insert_before(file, line, txt_before)  
    gsub_file file, /(#{Regexp.escape(line)})/mi do |match|
      "#{txt_before}\n#{match}"
    end
  end

  def self.insert_after(file, line, txt_after)  
    gsub_file file, /(#{Regexp.escape(line)})/mi do |match|
      "#{match}\n#{txt_after}"
    end
  end

  def self.comment_gem_config(file, line)  
    gsub_file file, /^#?(config.gem.+'#{Regexp.escape(line)}'.+)/mi do |match|
      "# " + "#{match}"
    end
  end

  def self.comment_line(file, line)  
    puts "comment line: #{line}"
    gsub_file file, /^#?(#{Regexp.escape(line)})/mi do |match|
      puts "match: #{match}" 
      "# " + "#{match}"
    end
  end

  def self.remove_line(file, line)  
    gsub_file file, /(#{Regexp.escape(line)})/mi do |match|
      ""
    end
  end

protected
  def self.gsub_file(path, regexp, *args, &block)
    content = File.read(path).gsub(regexp, *args, &block)
    File.open(path, 'wb') { |file| file.write(content) }
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
txt_file_mutator-0.1.0	lib/txt_file_mutator.rb