- Added solutions by Laurent Rosenfeld.

19 files changed, 956 insertions, 793 deletions

diff --git a/challenge-032/laurent-rosenfeld/blog.txt b/challenge-032/laurent-rosenfeld/blog.txt
new file mode 100644
index 0000000000..4f3290bbc4
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/blog.txt
@@ -0,0 +1 @@
+http://blogs.perl.org/users/laurent_r/2019/10/perl-weekly-challenge-30-word-histogram-and-ascii-bar-chart.html
diff --git a/challenge-032/laurent-rosenfeld/perl5/ch-1.pl b/challenge-032/laurent-rosenfeld/perl5/ch-1.pl
new file mode 100644
index 0000000000..f2bde92eb6
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl5/ch-1.pl
@@ -0,0 +1,14 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+
+my %histo;
+while (<>) {
+    chomp;
+    s/\s+$//;
+    next if /^\s*$/; # skipping empty lines
+    $histo{$_}++;
+}
+for my $key (sort { $histo{$b} <=> $histo{$a} } keys %histo) {
+    printf "%-20s%d\n", $key, $histo{$key};
+}
diff --git a/challenge-032/laurent-rosenfeld/perl5/ch-1a.pl b/challenge-032/laurent-rosenfeld/perl5/ch-1a.pl
new file mode 100644
index 0000000000..111cb96d25
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl5/ch-1a.pl
@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use feature qw/say/;
+
+my %histo;
+my $csv_flag = shift;
+
+while (<>) {
+    chomp;
+    s/\s+$//;
+    next if /^\s*$/; # skipping empty lines
+    $histo{$_}++;
+}
+my $format = $csv_flag ? "%s,%d\n" : "%-20s%d\n";
+
+for my $key (sort { $histo{$b} <=> $histo{$a} } keys %histo) {
+    printf $format, $key, $histo{$key};
+}
diff --git a/challenge-032/laurent-rosenfeld/perl5/ch-2.pl b/challenge-032/laurent-rosenfeld/perl5/ch-2.pl
new file mode 100644
index 0000000000..1d965f19d9
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl5/ch-2.pl
@@ -0,0 +1,24 @@
+use strict;
+use warnings;
+use feature qw/say/;
+
+sub generate_chart {
+    my %data = %{$_[0]};
+    my $sort_type = $_[1] // "val";
+    my ($max, $min);
+    for my $key (keys %data) {
+        ($max, $min) = ($data{$key}, $data{$key}) unless defined $max;
+        $max = $data{$key} if $data{$key} > $max;
+        $min = $data{$key} if $data{$key} < $min;
+    }
+    my $scale_factor = 10 / ($max - $min);
+    my $sort_routine = ($sort_type =~ /val/i)
+        ? sub { $data{$b} <=> $data{$a} }
+        : sub {$a cmp $b };
+    for my $key (sort $sort_routine keys %data) {
+        printf "%15s | %s\n", $key, "#" x ($data{$key} * $scale_factor);
+    }
+}
+my $sort_type = shift;
+my $data = { cherry => 20, apple => 30,  banana => 10, pear => 25};
+generate_chart $data, $sort_type;
diff --git a/challenge-032/laurent-rosenfeld/perl5/ch-2a.pl b/challenge-032/laurent-rosenfeld/perl5/ch-2a.pl
new file mode 100644
index 0000000000..3703f53b02
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl5/ch-2a.pl
@@ -0,0 +1,20 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use feature qw/say/;
+
+sub generate_chart {
+    my %data = %{$_[0]};
+    my ($max, $min);
+    for my $key (keys %data) {
+        ($max, $min) = ($data{$key}, $data{$key}) unless defined $max;
+        $max = $data{$key} if $data{$key} > $max;
+        $min = $data{$key} if $data{$key} < $min;
+    }
+    my $scale_factor = 10 / ($max - $min);
+    for my $key (sort { $data{$b} <=> $data{$a} } keys %data) {
+        printf "%15s | %s\n", $key, "#" x ($data{$key} * $scale_factor);
+    }
+}
+my $data = { apple => 30, cherry => 60, banana => 10, pear => 40 };
+generate_chart $data;
diff --git a/challenge-032/laurent-rosenfeld/perl6/ch-1.p6 b/challenge-032/laurent-rosenfeld/perl6/ch-1.p6
new file mode 100644
index 0000000000..e653b600f1
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl6/ch-1.p6
@@ -0,0 +1,8 @@
+use v6;
+
+sub MAIN (*@files) {
+    my $histo = @files.map({.IO.lines}).Bag;
+    for reverse sort {$histo{$_}}, keys $histo -> $key {
+        printf "%-20s%d\n", $key, $histo{$key};
+    }
+}
diff --git a/challenge-032/laurent-rosenfeld/perl6/ch-1a.p6 b/challenge-032/laurent-rosenfeld/perl6/ch-1a.p6
new file mode 100644
index 0000000000..12f1ba2fb9
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl6/ch-1a.p6
@@ -0,0 +1,17 @@
+use v6;
+subset file of Str where *.IO.f;
+
+multi sub MAIN (Int $csv, *@files where all(@files) ~~ file) {
+    my $*format = $csv ?? "%s,%d\n" !! "%-20s%d\n";
+    readfiles @files;
+}
+multi sub MAIN (*@files where all(@files) ~~ file) {
+    my $*format = "%-20s%d\n";
+    readfiles @files;
+}
+sub readfiles (@files) {
+    my $histo = @files.map({.IO.lines}).Bag;
+    for reverse sort {$histo{$_}}, keys $histo -> $key {
+        printf $*format, $key, $histo{$key};
+    }
+}
diff --git a/challenge-032/laurent-rosenfeld/perl6/ch-2.p6 b/challenge-032/laurent-rosenfeld/perl6/ch-2.p6
new file mode 100644
index 0000000000..c0097a550e
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl6/ch-2.p6
@@ -0,0 +1,21 @@
+use v6;
+
+sub generate_chart (%data) {
+    my ($max, $min);
+    for keys %data -> $key {
+        ($max, $min) = (%data{$key}, %data{$key}) unless defined $max;
+        $max = %data{$key} if %data{$key} > $max;
+        $min = %data{$key} if %data{$key} < $min;
+    }
+    my $scale_factor = 10 / ($max - $min);
+    my &sort_routine = ($*sort-type ~~ m:i/val/)
+        ?? { %data{$^b} <=> %data{$^a} }
+        !! {$^a cmp $^b };
+    for sort &sort_routine, keys %data -> $key {
+        printf "%15s | %s\n", $key, "#" x (%data{$key} * $scale_factor);
+    }
+}
+sub MAIN (Str $*sort-type) {
+    my $data = { apple => 3, cherry => 6, banana => 1, pear => 4 };
+    generate_chart $data;
+}
diff --git a/challenge-032/laurent-rosenfeld/perl6/ch-2a.p6 b/challenge-032/laurent-rosenfeld/perl6/ch-2a.p6
new file mode 100644
index 0000000000..0fcbc14e2f
--- /dev/null
+++ b/challenge-032/laurent-rosenfeld/perl6/ch-2a.p6
@@ -0,0 +1,16 @@
+use v6;
+
+sub generate_chart (%data) {
+    my ($max, $min);
+    for keys %data -> $key {
+        ($max, $min) = (%data{$key}, %data{$key}) unless defined $max;
+        $max = %data{$key} if %data{$key} > $max;
+        $min = %data{$key} if %data{$key} < $min;
+    }
+    my $scale_factor = 10 / ($max - $min);
+    for sort { %data{$^b} <=> %data{$^a} }, keys %data -> $key {
+        printf "%15s | %s\n", $key, "#" x (%data{$key} * $scale_factor);
+    }
+}
+my $data = { apple => 3, cherry => 6, banana => 1, pear => 4 };
+generate_chart $data;
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 5b3807ab8e..1ebc551eb9 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,149 +1,54 @@
 {
-   "legend" : {
-      "enabled" : 0
+   "subtitle" : {
+      "text" : "[Champions: 18] Last updated at 2019-10-31 14:59:11 GMT"
    },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
+            "enabled" : 1
+         },
+         "borderWidth" : 0
       }
    },
    "chart" : {
       "type" : "column"
    },
-   "series" : [
-      {
-         "colorByPoint" : 1,
-         "data" : [
-            {
-               "name" : "Andrezgz",
-               "y" : 2,
-               "drilldown" : "Andrezgz"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Dave Cross",
-               "name" : "Dave Cross"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "y" : 2,
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Duane Powell",
-               "name" : "Duane Powell"
-            },
-            {
-               "name" : "E. Choroba",
-               "y" : 2,
-               "drilldown" : "E. Choroba"
-            },
-            {
-               "name" : "Fabrizio Poggi",
-               "y" : 2,
-               "drilldown" : "Fabrizio Poggi"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Joelle Maslak",
-               "name" : "Joelle Maslak"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Lars Balker",
-               "name" : "Lars Balker"
-            },
-            {
-               "name" : "Lars Thegler",
-               "drilldown" : "Lars Thegler",
-               "y" : 2
-            },
-            {
-               "name" : "Markus Holzer",
-               "y" : 2,
-               "drilldown" : "Markus Holzer"
-            },
-            {
-               "name" : "Nazareno Delucca",
-               "y" : 2,
-               "drilldown" : "Nazareno Delucca"
-            },
-            {
-               "drilldown" : "Prajith P",
-               "y" : 2,
-               "name" : "Prajith P"
-            },
-            {
-               "name" : "Rage311",
-               "drilldown" : "Rage311",
-               "y" : 2
-            },
-            {
-               "name" : "Roger Bell West",
-               "y" : 2,
-               "drilldown" : "Roger Bell West"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
-            },
-            {
-               "name" : "Steven Wilson",
-               "y" : 2,
-               "drilldown" : "Steven Wilson"
-            },
-            {
-               "name" : "Yet Ebreo",
-               "y" : 2,
-               "drilldown" : "Yet Ebreo"
-            }
-         ],
-         "name" : "Perl Weekly Challenge - 032"
-      }
-   ],
-   "xAxis" : {
-      "type" : "category"
+   "legend" : {
+      "enabled" : 0
    },
    "tooltip" : {
+      "followPointer" : 1,
       "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
    },
-   "subtitle" : {
-      "text" : "[Champions: 17] Last updated at 2019-10-31 12:32:57 GMT"
+   "title" : {
+      "text" : "Perl Weekly Challenge - 032"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
+   "xAxis" : {
+      "type" : "category"
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "Andrezgz",
+            "id" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "id" : "Andrezgz"
+            "name" : "Andrezgz"
          },
          {
+            "id" : "Dave Cross",
             "name" : "Dave Cross",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ],
-            "id" : "Dave Cross"
+            ]
          },
          {
             "id" : "Dave Jacoby",
@@ -156,18 +61,18 @@
             "name" : "Dave Jacoby"
          },
          {
+            "id" : "Duane Powell",
             "name" : "Duane Powell",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ],
-            "id" : "Duane Powell"
+            ]
          },
          {
-            "name" : "E. Choroba",
             "id" : "E. Choroba",
+            "name" : "E. Choroba",
             "data" : [
                [
                   "Perl 5",
@@ -201,37 +106,55 @@
          },
          {
             "id" : "Lars Balker",
+            "name" : "Lars Balker",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ],
-            "name" : "Lars Balker"
+            ]
+         },
+         {
+            "id" : "Lars Thegler",
+            "name" : "Lars Thegler",
+            "data" : [
+               [
+                  "Perl 5",
+                  2
+               ]
+            ]
          },
          {
             "data" : [
                [
                   "Perl 5",
                   2
+               ],
+               [
+                  "Perl 6",
+                  2
+               ],
+               [
+                  "Blog",
+                  1
                ]
             ],
-            "id" : "Lars Thegler",
-            "name" : "Lars Thegler"
+            "name" : "Laurent Rosenfeld",
+            "id" : "Laurent Rosenfeld"
          },
          {
-            "id" : "Markus Holzer",
+            "name" : "Markus Holzer",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "name" : "Markus Holzer"
+            "id" : "Markus Holzer"
          },
          {
-            "name" : "Nazareno Delucca",
             "id" : "Nazareno Delucca",
+            "name" : "Nazareno Delucca",
             "data" : [
                [
                   "Perl 5",
@@ -240,24 +163,24 @@
             ]
          },
          {
-            "name" : "Prajith P",
             "id" : "Prajith P",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "name" : "Prajith P"
          },
          {
             "name" : "Rage311",
-            "id" : "Rage311",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "id" : "Rage311"
          },
          {
             "name" : "Roger Bell West",
@@ -270,23 +193,23 @@
             "id" : "Roger Bell West"
          },
          {
-            "name" : "Simon Proctor",
+            "id" : "Simon Proctor",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "id" : "Simon Proctor"
+            "name" : "Simon Proctor"
          },
          {
-            "name" : "Steven Wilson",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
+            "name" : "Steven Wilson",
             "id" : "Steven Wilson"
          },
          {
@@ -296,12 +219,112 @@
                   2
                ]
             ],
-            "id" : "Yet Ebreo",
-            "name" : "Yet Ebreo"
+            "name" : "Yet Ebreo",
+            "id" : "Yet Ebreo"
          }
       ]
    },
-   "title" : {
-      "text" : "Perl Weekly Challenge - 032"
-   }
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "series" : [
+      {
+         "colorByPoint" : 1,
+         "name" : "Perl Weekly Challenge - 032",
+         "data" : [
+            {
+               "name" : "Andrezgz",
+               "drilldown" : "Andrezgz",
+               "y" : 2
+            },
+            {
+               "name" : "Dave Cross",
+               "drilldown" : "Dave Cross",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Dave Jacoby",
+               "drilldown" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "Duane Powell",
+               "name" : "Duane Powell",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba"
+            },
+            {
+               "drilldown" : "Fabrizio Poggi",
+               "name" : "Fabrizio Poggi",
+               "y" : 2
+            },
+            {
+               "y" : 4,
+               "drilldown" : "Joelle Maslak",
+               "name" : "Joelle Maslak"
+            },
+            {
+               "name" : "Lars Balker",
+               "drilldown" : "Lars Balker",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Lars Thegler",
+               "drilldown" : "Lars Thegler"
+            },
+            {
+               "y" : 5,
+               "name" : "Laurent Rosenfeld",
+               "drilldown" : "Laurent Rosenfeld"
+            },
+            {
+               "drilldown" : "Markus Holzer",
+               "name" : "Markus Holzer",
+               "y" : 2
+            },
+            {
+               "name" : "Nazareno Delucca",
+               "drilldown" : "Nazareno Delucca",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Prajith P",
+               "name" : "Prajith P",
+               "y" : 2
+            },
+            {
+               "name" : "Rage311",
+               "drilldown" : "Rage311",
+               "y" : 2
+            },
+            {
+               "y" : 2,
+               "name" : "Roger Bell West",
+               "drilldown" : "Roger Bell West"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Simon Proctor",
+               "name" : "Simon Proctor"
+            },
+            {
+               "drilldown" : "Steven Wilson",
+               "name" : "Steven Wilson",
+               "y" : 2
+            },
+            {
+               "drilldown" : "Yet Ebreo",
+               "name" : "Yet Ebreo",
+               "y" : 2
+            }
+         ]
+      }
+   ]
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index e6c4c1c9cb..152d1fef58 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
+   "xAxis" : {
+      "labels" : {
+         "style" : {
+            "fontFamily" : "Verdana, sans-serif",
+            "fontSize" : "13px"
+         }
+      },
+      "type" : "category"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : null
+      },
+      "min" : 0
+   },
    "chart" : {
       "type" : "column"
    },
+   "subtitle" : {
+      "text" : "Last updated at 2019-10-31 14:59:33 GMT"
+   },
+   "title" : {
+      "text" : "Perl Weekly Challenge Contributions - 2019"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "series" : [
       {
-         "name" : "Contributions",
-         "dataLabels" : {
-            "color" : "#FFFFFF",
-            "rotation" : -90,
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "format" : "{point.y:.0f}",
-            "align" : "right",
-            "enabled" : "true",
-            "y" : 10
-         },
          "data" : [
             [
                "Blog",
-               338
+               339
             ],
             [
                "Perl 5",
-               1335
+               1337
             ],
             [
                "Perl 6",
-               784
+               786
             ]
-         ]
-      }
-   ],
-   "legend" : {
-      "enabled" : "false"
-   },
-   "title" : {
-      "text" : "Perl Weekly Challenge Contributions - 2019"
-   },
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : null
-      },
-      "min" : 0
-   },
-   "subtitle" : {
-      "text" : "Last updated at 2019-10-31 12:33:42 GMT"
-   },
-   "xAxis" : {
-      "type" : "category",
-      "labels" : {
-         "style" : {
-            "fontSize" : "13px",
-            "fontFamily" : "Verdana, sans-serif"
+         ],
+         "name" : "Contributions",
+         "dataLabels" : {
+            "enabled" : "true",
+            "y" : 10,
+            "align" : "right",
+            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontFamily" : "Verdana, sans-serif",
+               "fontSize" : "13px"
+            },
+            "rotation" : -90,
+            "color" : "#FFFFFF"
          }
       }
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index 82a1302eca..09fbb97135 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -2,17 +2,27 @@
    "xAxis" : {
       "type" : "category"
    },
+   "tooltip" : {
+      "followPointer" : "true",
+      "headerFormat" : "<span style=\"font-size:11px\"></span>",
+      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
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@@ -35,6 +45,7 @@
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