Class: Doh::FileEdit

Inherits:
Object show all
Defined in:
lib/doh/util/file_edit.rb

Instance Method Summary collapse

Constructor Details

#initialize(filename, &block) ⇒ FileEdit

Returns a new instance of FileEdit.



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# File 'lib/doh/util/file_edit.rb', line 9

def initialize(filename, &block)
  @filename = filename
  @file = File.new(filename, 'r').to_a
  @file.each_with_index do |line, index|
    @file[index] = @file[index][0..-2]
  end
  @index = 0

  if block
    yield(self)
    save
  end
end

Instance Method Details

#delete(numlines = 1) ⇒ Object 



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# File 'lib/doh/util/file_edit.rb', line 49

def delete(numlines = 1)
  numlines.times do
    @file.delete_at(@index)
  end
end

#gsub(regexp, replacement) ⇒ Object 



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# File 'lib/doh/util/file_edit.rb', line 43

def gsub(regexp, replacement)
  @file.each_with_index do |line, index|
    @file[index] = line.gsub(regexp, replacement)
  end
end

#insert(*lines) ⇒ Object 



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# File 'lib/doh/util/file_edit.rb', line 36

def insert(*lines)
  lines.each do |line|
    @file.insert(@index, line)
    @index += 1
  end
end

#move_after(regexp) ⇒ Object 



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# File 'lib/doh/util/file_edit.rb', line 23

def move_after(regexp)
  @file.each_with_index do |line, index|
    if line =~ regexp
      @index = index + 1
    end
  end
end

#move_before(regexp) ⇒ Object 



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# File 'lib/doh/util/file_edit.rb', line 31

def move_before(regexp)
  move_after(regexp)
  @index -= 1
end

#save ⇒ Object 



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# File 'lib/doh/util/file_edit.rb', line 55

def save
  outf = File.open(@filename, 'w+')
  @file.each do |line|
    outf << line << "\n"
  end
  outf.close
end