20 lines
558 B
Ruby
20 lines
558 B
Ruby
raise "Please input an input code file, an input data file, and an output file." if ARGV.size < 3
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rules = File.readlines(ARGV[0]).inject([]) do |rules, line|
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if line =~ /^\s*#/
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rules
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elsif line =~ /^(.+)\s+->\s+(\.?)(.*)$/
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rules << [$1, $3, $2 != ""]
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else
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raise "Syntax error: #{line}"
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end
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end
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File.open(ARGV[2], "w") do |file|
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file.write(File.read(ARGV[1]).tap { |input_data|
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while (matched = rules.find { |match, replace, term|
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input_data[match] and input_data.sub!(match, replace)
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}) and !matched[2]
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end
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})
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end
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