[utils] DS stats generation script

stats.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+curl https://api.github.com/repos/ICIJ/datashare-installer/releases | jq -r '.[]|[.tag_name, .assets[].download_count] | @csv' > /tmp/ds_stats.csv
+sed  -i '1i release,mac,windows,linux' /tmp/ds_stats.csv
+
+function create_plot_file {
+cat > /tmp/ds_stats.plot << EOF
+set grid
+set xtics rotate by -45
+set datafile separator ","
+
+set term png enhanced size 1024,800
+set output "ds_stats.png"
+
+ set style data histogram
+ set style histogram rowstacked
+ set style fill solid border rgb "black"
+ set auto x
+ set yrange [0:*]
+
+set xlabel "releases"
+set ylabel "nb downloads"
+set title "Datashare downloads"
+plot '/tmp/ds_stats.csv' using 3:xtic(1) title col, \
+        '' using 2:xtic(1) title col, \
+        '' using 4:xtic(1) title col
+EOF
+}
+
+create_plot_file
+gnuplot /tmp/ds_stats.plot