Module: Extensions::File

Defined in:
lib/extensions/file.rb

Instance Method Summary collapse

Instance Method Details

#copylines(src, dst) ⇒ Object 



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# File 'lib/extensions/file.rb', line 5

def copylines(src, dst)
  tempfile = Tempfile.new(dst)

  begin
    open(src).each_line do |line|
      if block_given?
        new_line = yield(line)
        line = new_line unless new_line.nil?
      end

      tempfile.write line
    end

    FileUtils.chmod(stat(src).mode, tempfile.path)
    FileUtils.move(tempfile.path, dst)
  ensure
    tempfile.close!
  end
end