Merge pull request #874 from Firedrake/rogerbw-challenge-032

Solutions for challenge #32

2 files changed, 55 insertions, 0 deletions

diff --git a/challenge-032/roger-bell-west/perl5/ch-1.pl b/challenge-032/roger-bell-west/perl5/ch-1.pl
new file mode 100755
index 0000000000..364358e37f
--- /dev/null
+++ b/challenge-032/roger-bell-west/perl5/ch-1.pl
@@ -0,0 +1,27 @@
+#! /usr/bin/perl
+
+use strict;
+use warnings;
+
+use Getopt::Std;
+use Text::CSV_XS;
+
+my %o;
+getopts('c',\%o);
+
+my %s;
+while (<>) {
+  chomp;
+  $s{$_}++;
+}
+
+my $csv = Text::CSV_XS->new;
+
+foreach my $k (sort {$s{$b} <=> $s{$a} ||
+                       $a cmp $b} keys %s) {
+  if ($o{c}) {
+    $csv->say(*STDOUT,[$k,$s{$k}]);
+  } else {
+  print "$k $s{$k}\n";
+  }
+}
diff --git a/challenge-032/roger-bell-west/perl5/ch-2.pl b/challenge-032/roger-bell-west/perl5/ch-2.pl
new file mode 100755
index 0000000000..78402d2954
--- /dev/null
+++ b/challenge-032/roger-bell-west/perl5/ch-2.pl
@@ -0,0 +1,28 @@
+#! /usr/bin/perl
+
+use strict;
+use warnings;
+
+use List::Util qw(max);
+
+my $data = { apple => 3, cherry => 2, banana => 1 };
+generate_bar_graph($data);
+
+sub generate_bar_graph {
+  my $data=shift;
+  my $width=shift || $ENV{COLUMNS} || 80;
+  my $labelordering=shift or 0;
+  my @k=keys %{$data};
+  if ($labelordering) {
+    @k=sort @k;
+  } else {
+    @k=sort {$data->{$b} <=> $data->{$a}} @k;
+  }
+  my $kl=max(map {length($_)} @k);
+  my $bw=$width-$kl-3;
+  my $scale=$bw/max(values %{$data});
+  my $format='%-'.$kl.'s | %-'.$bw."s\n";
+  foreach my $k (@k) {
+    printf($format,$k,'#' x ($scale*$data->{$k}));
+  }
+}