1
2
3
4

def factorial( n )
  if !(n.is_a? Integer)
    raise ArgumentError, "argument must be a positive integer"
...

1
2
3
4

      res = []
      path_without_calculation.gsub(/\{(.*?)\}/) {|match|
        res << match[1.. match.size-2]
...

1
2
3
4

# Ruby Quiz 2 - Scalable LCD Monitor 
# Gerard (smeevil) de Brieder - Govannon - 2008-06-12

...

1
2
3
4

#!/usr/bin/env ruby

files = ARGV.collect { |fname| File.new(fname, 'w') }
...