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15 lines
299 B
Ruby
15 lines
299 B
Ruby
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class MemInfo
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# Total memory in kb. Only works on systems with /proc/meminfo.
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# Returns nil if it cannot be determined.
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def mem_total
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@mem_total ||= begin
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if s = `grep MemTotal /proc/meminfo`
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/(\d+)/.match(s)[0].try(:to_i)
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else
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nil
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end
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end
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end
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end
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