32 lines
482 B
Ruby
32 lines
482 B
Ruby
module Kernel
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def `(cmd)
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IO.popen(cmd) { |io| io.read }
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end
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def open(file, *rest, &block)
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raise ArgumentError unless file.is_a?(String)
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if file[0] == "|"
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IO.popen(file[1..-1], *rest, &block)
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else
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File.open(file, *rest, &block)
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end
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end
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def print(*args)
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$stdout.print(*args)
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end
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def puts(*args)
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$stdout.puts(*args)
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end
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def printf(*args)
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$stdout.printf(*args)
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end
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def gets(*args)
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$stdin.gets(*args)
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end
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end
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