Pauta Sistemas Operativos - 1ª Prova Prática

grafico-densidade.sh

#!/bin/bash

pdftotext -layout "$@" - | sed -e '/^ [0-9][0-9][0-9][0-9][0-9][0-9]/!d' -e 's|,|\.|g'| awk -F '[[:space:]][[:space:]]+' '{print $6}' | R -e 'd <- density(scan(file("stdin")));  plot(d, main="Notas de SO"); polygon(d, col="red")'

grafico-img.sh

#!/bin/bash

# Sample: https://i.imgur.com/orwwOz3.png
pdftotext -layout "$@" - | sed '/^ [0-9][0-9][0-9][0-9][0-9][0-9]/!d' | awk -F '[[:space:]][[:space:]]+' '{print $6}' | gnuplot -p -e 'set term png; set output "notas-so.png"; set style fill solid 1.0 noborder; plot "/dev/stdin" using (0.1 * ( floor($1/0.1) + 0.5 )):(1) smooth frequency with boxes'

grafico.sh

#!/bin/bash

pdftotext -layout "$@" - | sed '/^ [0-9][0-9][0-9][0-9][0-9][0-9]/!d' | awk -F '[[:space:]][[:space:]]+' '{print $6}' | gnuplot -p -e 'set style fill solid 1.0 noborder; plot "/dev/stdin" using (0.1 * ( floor($1/0.1) + 0.5 )):(1) smooth frequency with boxes'

pauta.sh

#!/bin/bash

pdftotext -layout "$@" - | sed '/^ [0-9][0-9][0-9][0-9][0-9][0-9]/!d' | awk -F '[[:space:]][[:space:]]+' '{print $6 "\t" $1 "\t" $2}' | sort -g -r