Class: Symian::FileInputSequence

Inherits:
Object
  • Object
show all
Defined in:
lib/symian/generator.rb

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ FileInputSequence

Returns a new instance of FileInputSequence.



55
56
57
58
59
60
61
62
 
# File 'lib/symian/generator.rb', line 55

def initialize(args)
  @file = File.open(args[:path], 'r')

  # throw away the first line (containing the CSV headers)
  @file.gets

  @curr_val = args[:first_value]
end

Instance Method Details

#next ⇒ Object

returns nil when EOF occurs



65
66
67
68
69
70
71
72
 
# File 'lib/symian/generator.rb', line 65

def next
  displacement = @file.gets.try(:chomp).try(:to_f)
  return nil unless displacement

  ret = @curr_val
  @curr_val += displacement
  ret
end