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A comment on C++ has become a scripting language. Parent comment

Re:C++ has become a scripting language by trentmb on Wednesday October 16, 2013 @08:38AM (#6559284)
Is

> File.write ARGV[1], (IO.readlines ARGV[0]).sort.join('\n')

not valid Ruby?

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Re:C++ has become a scripting language by rofrol on Wednesday October 16, 2013 @12:14PM (#6560461) 

  File.open(ARGV[1], 'w') { |file| file.write(File.read(ARGV[0]).lines.sort.join) }
http://stackoverflow.com/questions/8278680/ruby-undefined-me...
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