Class IO
In: readbytes.rb
Parent: Object

Methods

readbytes  

Public Instance methods

readbytes(n)

Reads exactly n bytes.

If the data read is nil an EOFError is raised.

If the data read is too short a TruncatedDataError is raised and the read data is obtainable via its data method.

[Source]

# File readbytes.rb, line 20
  def readbytes(n)
    str = read(n)
    if str == nil
      raise EOFError, "End of file reached"
    end
    if str.size < n
      raise TruncatedDataError.new("data truncated", str) 
    end
    str
  end

[Validate]

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