Class: ReadFile

Inherits:
Object
  • Object
show all
Defined in:
lib/zipf/fileutil.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fn, encoding = 'utf-8') ⇒ ReadFile

Returns a new instance of ReadFile.



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# File 'lib/zipf/fileutil.rb', line 5

def initialize fn, encoding='utf-8'
  if fn.split('.').last == 'gz'
    @f = Zlib::GzipReader.new(File.new(fn, 'rb'), :external_encoding=>encoding)
  elsif fn == '-'
    @f = STDIN
    STDIN.set_encoding encoding
  else
    @f = File.new fn, 'r'
    @f.set_encoding encoding
  end
end

Class Method Details

.read(fn, encoding = 'utf-8') ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 51

def self.read fn, encoding='utf-8'
  f = ReadFile.new fn, encoding
  r = f.read
  f.close
  return r
end

.readlines(fn, encoding = 'utf-8') ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 29

def self.readlines fn, encoding='utf-8'
  f = ReadFile.new fn, encoding
  r = f.readlines
  f.close
  return r
end

.readlines_strip(fn, encoding = 'utf-8') ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 40

def self.readlines_strip fn, encoding='utf-8'
  f = ReadFile.new fn, encoding
  r = f.readlines_strip
  f.close
  return r
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 58

def close
  @f.close if @f!=STDIN
end

#gets ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 17

def gets
  @f.gets { |line| yield line }
end

#read ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 47

def read
  @f.read
end

#readlines ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 25

def readlines
  @f.readlines
end

#readlines_strip ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 36

def readlines_strip
  self.readlines.map{ |i| i.strip }
end

#rewind ⇒ Object 



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# File 'lib/zipf/fileutil.rb', line 21

def rewind
  @f.rewind
end