Merge pull request #859 from lbalker/master

quick'n'dirty challenge 32 perl5 solutions

2 files changed, 50 insertions, 0 deletions

diff --git a/challenge-032/lars-balker/perl5/ch-1.pl b/challenge-032/lars-balker/perl5/ch-1.pl
new file mode 100644
index 0000000000..32bc6524ec
--- /dev/null
+++ b/challenge-032/lars-balker/perl5/ch-1.pl
@@ -0,0 +1,22 @@
+use warnings;
+use strict;
+
+my $csv = @ARGV && $ARGV[0] eq '-csv';
+shift if $csv;
+
+my %words;
+my $maxlength = 0;
+while (<>) {
+    chomp;
+    ++$words{$_};
+    $maxlength = length if length > $maxlength;
+}
+
+for my $word (sort { $words{$b} <=> $words{$a} || $a cmp $b } keys %words) {
+    if ($csv) {
+        printf "%s,%d\n", $word, $words{$word};
+    }
+    else {
+        printf "%-*s %4d\n", $maxlength, $word, $words{$word};
+    }
+}
diff --git a/challenge-032/lars-balker/perl5/ch-2.pl b/challenge-032/lars-balker/perl5/ch-2.pl
new file mode 100644
index 0000000000..81e9b616f3
--- /dev/null
+++ b/challenge-032/lars-balker/perl5/ch-2.pl
@@ -0,0 +1,28 @@
+use strict;
+use warnings;
+my $hashes = 24;
+
+my $data = { apple => 3, cherry => 2, banana => 1 };
+generate_bar_graph($data);
+print "\n";
+generate_bar_graph($data,1);
+
+sub generate_bar_graph {
+    my $data = shift;
+    my $order_by_label = shift;
+
+    my ($sum, $maxlength) = (0, 0);
+    for my $word (keys %$data) {
+        $maxlength = length($word) if length($word) > $maxlength;
+        $sum += $data->{$word};
+    }
+
+    my $sort = $order_by_label
+        ? sub { $a cmp $b }
+        : sub { $data->{$b} <=> $data->{$a} || $a cmp $b };
+    for my $word (sort $sort keys %$data) {
+        my $pct = $data->{$word} / $sum;
+        printf "%*s | %s\n", $maxlength, $word,
+            "#" x int($hashes * $pct);
+    }
+}