CITS4407 vis1b.sh

#!/bin/bash

curl -s http://www.randomservices.org/random/data/Deaths.txt > deaths.tsv

curl -s http://www.randomservices.org/random/data/Pumps.txt > pumps.tsv


# reading data into correct format for scatter plot
while read x y; do
    echo "{x:$x,y:$y}," >> tmp
done < deaths.tsv
rm deaths.tsv


# removing header row, removing trailing comma
grep -v ^"{x:x" tmp > death_data
rm tmp
deaths=$(sed '$s/,$//' death_data | head -476 | tr -d '\n')


# reading data into correct format for scatter plot
while read a b; do
    echo "{x:$a,y:$b}," >> tmp
done < pumps.tsv
rm pumps.tsv


# removing header row, removing trailing comma
grep -v ^"{x:x" tmp > pump_data
rm tmp
pumps=$(sed '$s/,$//' pump_data | head -10 | tr -d '\n')


base_url="https://quickchart.io/chart"

img_url=$(echo "${base_url}?c={type:'scatter',data:{datasets:[{label:'Deaths',data:[$deaths]}]}}")
echo "<img src=\"${img_url}\">" > vis1b.html