--- /dev/null
+#!/usr/bin/env perl
+use 5.010;
+use strict;
+use warnings;
+
+use Data::Dump 'pp';
+use Text::CSV;
+
+my %BROWSERID = qw(
+ IE ie
+ Firefox firefox
+ Safari safari
+ Safari-iPad ios_saf
+ Chrome chrome
+ Opera opera
+
+ Android android
+ iPhone ios_saf
+ iPod-Touch ios_saf
+);
+
+my %count = (
+ -title => 'StatCounter',
+ -site => 'http://gs.statcounter.com/',
+);
+
+if (@ARGV) {
+ my %param = (
+ bar => 1,
+ region_hidden => 'ww', # Worldwide
+ granularity => 'monthly',
+ fromMonthYear => $ARGV[0],
+ toMonthYear => $ARGV[1] // $ARGV[0],
+ csv => 1,
+ );
+ my $site = $count{-site};
+ $site .= 'chart.php?'.join('&', map "$_=$param{$_}", keys %param);
+ $site .= '&statType_hidden=';
+ $count{-source} = $site;
+
+ require LWP::Simple;
+ {
+ my $url = $site.'browser_version';
+ my $download = LWP::Simple::get($url) or die "No data from $url\n";
+ open my $input, '<', \$download or die $!;
+ parsecsv($input);
+ }
+
+ {
+ my $url = $site.'mobile_vs_desktop';
+ my $download = LWP::Simple::get($url) or warn "No data from $url\n";
+ open my $input, '<', \$download or die $!;
+ parsecsv($input);
+
+ my %mult = map {
+ $_ => ( delete $count{$_} )->{0} / 100,
+ } qw(Desktop Mobile);
+
+ # apply desktop multiplier with inverse of mobile (reverted below)
+ for (values %count) {
+ ref $_ eq 'HASH' or next;
+ $_ *= $mult{Desktop} / $mult{Mobile} for values %$_;
+ }
+ $count{Opera} = delete $count{opera}; # preserve
+
+ $url = $site.'mobile_browser';
+ $download = LWP::Simple::get($url) or warn "No data from $url\n";
+ open $input, '<', \$download or die $!;
+ parsecsv($input);
+
+ # apply mobile multiplier to everything (undoing it for desktop)
+ for (values %count) {
+ ref $_ eq 'HASH' or next;
+ $_ *= $mult{Mobile} for values %$_;
+ }
+ $count{op_mini} = delete $count{opera}; # mobile distinction
+ $count{opera} = delete $count{Opera}; # restore desktop
+ }
+}
+else {
+ parsecsv(\*STDIN);
+}
+
+sub parsecsv {
+ my ($input) = @_;
+ my $csv = Text::CSV->new or die Text::CSV->error_diag;
+ while (my $row = $csv->getline($input)) {
+ my ($browser, $pct) = @$row;
+ $browser and $pct or next;
+
+ my $version = $browser =~ s/ (\d\S*)$// ? $1 : 0;
+ given ($browser) {
+ when (['Browser Version', 'Mobile Browser', 'Mobile vs. Desktop']) {
+ $pct =~ s/^Market Share % // and $count{-date} = $pct;
+ }
+ $browser =~ tr/ /-/;
+ $browser = $_ for $BROWSERID{$browser} // ();
+ $version =~ s/\.0$//;
+ $count{$browser}->{$version} += $pct;
+ }
+ }
+ $csv->eof or $csv->error_diag;
+}
+
+print pp(\%count);
+
+__END__
+
+=head1 USAGE
+
+cat <csv data> | F<mkusage-statcounter> > browser-usage-gs.inc.pl
+
+F<mkusage-statcounter> <year-month>
+