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axic/linux-timestamp.rb

Created October 6, 2010 20:45
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Turn the Linux kernel timestamp (from dmesg) into a date
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linux-timestamp.rb
input = ARGV.to_s.match(/^\[?([\d.]+)\]?/)
input = input[1] if input
uptime = File.new("/proc/uptime").gets
uptime = uptime.match(/^([\d.]+)/).to_a.first if uptime
if input and uptime then
puts(Time.now - uptime.to_f + input.to_f)
else
puts "unable to parse"
end
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