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pbrandiezs/getIOWait.rb

Created July 10, 2018 20:34
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Ruby example using %Q to parse iowait
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getIOWait.rb
def getIOWait
command_to_run = %Q[iostat 15 2 | awk 'BEGIN{RS=ORS="\\n\\n";FS=OFS="\\n"}/avg-cpu:/' | tail -2 | head -1 | awk {'print $4'}]
result = `#{command_to_run}`
# result = '20.0'
result.to_f
end
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