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tckmn/pacman.r

Created January 16, 2017 02:24
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density plot of pacman / alpm transactions by time of day
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pacman.r
# license: unlicense <http://unlicense.org/>
times <- system2('bash', args=c('-c', shQuote('grep "\\[ALPM\\] transaction started" /var/log/pacman.log | cut -c 13-17')), stdout=TRUE)
times <- strtoi(substr(times, 1, 2), 10) + strtoi(substr(times, 4, 5), 10) / 60
plot(density(c(times-24, times, times+24), bw=0.3), xlim=range(0:24), xaxs="i", axes=FALSE)
axis(side=1, at=c(0:24), las=2)
box()
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