- Added solutions by Laurent Rosenfeld.

15 files changed, 1029 insertions, 947 deletions

diff --git a/challenge-062/laurent-rosenfeld/addresses.txt b/challenge-062/laurent-rosenfeld/addresses.txt
new file mode 100644
index 0000000000..fe64dfd5a6
--- /dev/null
+++ b/challenge-062/laurent-rosenfeld/addresses.txt
@@ -0,0 +1,7 @@
+name@example.org
+rjt@cpan.org
+Name@example.org
+rjt@CPAN.org
+rjt@cpan.org
+user@alpha.example.org
+rjt@cpan.org
diff --git a/challenge-062/laurent-rosenfeld/blog.txt b/challenge-062/laurent-rosenfeld/blog.txt
new file mode 100644
index 0000000000..07972964ea
--- /dev/null
+++ b/challenge-062/laurent-rosenfeld/blog.txt
@@ -0,0 +1 @@
+http://blogs.perl.org/users/laurent_r/2020/05/perl-weekly-challenge-62-sort-email-addresses.html
diff --git a/challenge-062/laurent-rosenfeld/perl/ch-1.pl b/challenge-062/laurent-rosenfeld/perl/ch-1.pl
new file mode 100644
index 0000000000..6a4d76469a
--- /dev/null
+++ b/challenge-062/laurent-rosenfeld/perl/ch-1.pl
@@ -0,0 +1,32 @@
+use strict;
+use warnings;
+use feature qw /say/;
+
+sub normalize {
+    my $addr = shift;
+    my ($box, $domain) = split /@/, $addr;
+    return (uc $domain . "@" . $box);
+}
+my ($unique, @files);
+my $first_param = shift;
+if ($first_param eq "-u") {
+    $unique = 1;
+    @files = @ARGV;
+} else {
+    $unique = 0;
+    @files = ($first_param, @ARGV);
+}
+my @addresses;
+for my $file(@files) {
+    open my $IN, "<", $file or die "Unable to open $file";
+    push @addresses, <$IN>;
+}
+chomp @addresses;
+my @sorted = map { $_->[0] }
+    sort { $a->[1] cmp $b->[1] }
+    map { [$_, normalize $_] } @addresses;
+if ($unique) {
+    my $last = "";
+    @sorted = grep { my $bool = $last ne normalize $_; $last = normalize $_; $bool} @sorted;
+}
+say for @sorted;
diff --git a/challenge-062/laurent-rosenfeld/raku/ch-1.p6 b/challenge-062/laurent-rosenfeld/raku/ch-1.p6
new file mode 100644
index 0000000000..e5b276c4d5
--- /dev/null
+++ b/challenge-062/laurent-rosenfeld/raku/ch-1.p6
@@ -0,0 +1,19 @@
+use v6;
+
+sub normalize (Str $addr) {
+    my ($box, $domain) = split /'@'/, $addr;
+    $domain.uc ~ '@' ~ $box;
+}
+sub process-addresses( @addresses, Bool $unique) {
+    @addresses = @addresses.unique(:as(&normalize)) if $unique;
+    my @sorted = sort &normalize, @addresses;
+    .say for @sorted;
+}
+multi sub MAIN (Bool :u(:$unique) = False, *@files) {
+    my @addresses = @files.IO.lines;
+    process-addresses @addresses, $unique;
+}
+multi sub MAIN (Bool :u(:$unique) = False) {
+    my @addresses = $*IN.lines;
+    process-addresses @addresses, $unique;
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 19d2ce73ea..f647de0c81 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,11 +1,35 @@
 {
+   "xAxis" : {
+      "type" : "category"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 17] Last updated at 2020-05-31 21:24:21 GMT"
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
    "series" : [
       {
+         "colorByPoint" : 1,
          "data" : [
             {
-               "y" : 2,
+               "name" : "Athanasius",
                "drilldown" : "Athanasius",
-               "name" : "Athanasius"
+               "y" : 2
             },
             {
                "y" : 5,
@@ -13,19 +37,24 @@
                "drilldown" : "Javier Luque"
             },
             {
-               "drilldown" : "Leo Manfredi",
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld",
+               "y" : 3
+            },
+            {
                "name" : "Leo Manfredi",
+               "drilldown" : "Leo Manfredi",
                "y" : 1
             },
             {
-               "name" : "Luca Ferrari",
                "drilldown" : "Luca Ferrari",
+               "name" : "Luca Ferrari",
                "y" : 2
             },
             {
-               "y" : 1,
+               "drilldown" : "Markus Holzer",
                "name" : "Markus Holzer",
-               "drilldown" : "Markus Holzer"
+               "y" : 1
             },
             {
                "name" : "Mohammad S Anwar",
@@ -33,9 +62,9 @@
                "y" : 3
             },
             {
-               "y" : 3,
                "drilldown" : "Niels van Dijke",
-               "name" : "Niels van Dijke"
+               "name" : "Niels van Dijke",
+               "y" : 3
             },
             {
                "drilldown" : "Pete Houston",
@@ -43,9 +72,9 @@
                "y" : 1
             },
             {
-               "y" : 1,
                "name" : "Richard Park",
-               "drilldown" : "Richard Park"
+               "drilldown" : "Richard Park",
+               "y" : 1
             },
             {
                "drilldown" : "Roger Bell_West",
@@ -58,19 +87,19 @@
                "y" : 4
             },
             {
-               "drilldown" : "Shahed Nooshmand",
                "name" : "Shahed Nooshmand",
+               "drilldown" : "Shahed Nooshmand",
                "y" : 3
             },
             {
-               "y" : 1,
+               "name" : "Simon Miner",
                "drilldown" : "Simon Miner",
-               "name" : "Simon Miner"
+               "y" : 1
             },
             {
-               "y" : 1,
+               "drilldown" : "Simon Proctor",
                "name" : "Simon Proctor",
-               "drilldown" : "Simon Proctor"
+               "y" : 1
             },
             {
                "y" : 1,
@@ -83,49 +112,15 @@
                "drilldown" : "Yet Ebreo"
             }
          ],
-         "name" : "Perl Weekly Challenge - 062",
-         "colorByPoint" : 1
+         "name" : "Perl Weekly Challenge - 062"
       }
    ],
    "title" : {
       "text" : "Perl Weekly Challenge - 062"
    },
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 16] Last updated at 2020-05-31 21:00:40 GMT"
-   },
-   "chart" : {
-      "type" : "column"
-   },
-   "yAxis" : {
-      "title" : {
-         "text" : "Total Solutions"
-      }
-   },
-   "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/>"
-   },
    "drilldown" : {
       "series" : [
          {
-            "id" : "Athanasius",
-            "name" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -135,11 +130,13 @@
                   "Raku",
                   1
                ]
-            ]
+            ],
+            "name" : "Athanasius",
+            "id" : "Athanasius"
          },
          {
-            "id" : "Javier Luque",
             "name" : "Javier Luque",
+            "id" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -160,32 +157,51 @@
                [
                   "Perl",
                   1
+               ],
+               [
+                  "Raku",
+                  1
+               ],
+               [
+                  "Blog",
+                  1
                ]
             ],
+            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld"
+         },
+         {
+            "id" : "Leo Manfredi",
             "name" : "Leo Manfredi",
-            "id" : "Leo Manfredi"
+            "data" : [
+               [
+                  "Perl",
+                  1
+               ]
+            ]
          },
          {
+            "name" : "Luca Ferrari",
             "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Luca Ferrari"
+            ]
          },
          {
+            "id" : "Markus Holzer",
+            "name" : "Markus Holzer",
             "data" : [
                [
                   "Raku",
                   1
                ]
-            ],
-            "name" : "Markus Holzer",
-            "id" : "Markus Holzer"
+            ]
          },
          {
+            "name" : "Mohammad S Anwar",
             "id" : "Mohammad S Anwar",
             "data" : [
                [
@@ -200,12 +216,9 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Mohammad S Anwar"
+            ]
          },
          {
-            "id" : "Niels van Dijke",
-            "name" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
@@ -215,30 +228,31 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
          },
          {
-            "name" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   1
                ]
             ],
+            "name" : "Pete Houston",
             "id" : "Pete Houston"
          },
          {
+            "name" : "Richard Park",
             "id" : "Richard Park",
             "data" : [
                [
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Richard Park"
+            ]
          },
          {
-            "id" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -253,9 +267,11 @@
                   1
                ]
             ],
+            "id" : "Roger Bell_West",
             "name" : "Roger Bell_West"
          },
          {
+            "name" : "Sangeet Kar",
             "id" : "Sangeet Kar",
             "data" : [
                [
@@ -266,8 +282,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Sangeet Kar"
+            ]
          },
          {
             "id" : "Shahed Nooshmand",
@@ -294,35 +309,43 @@
             "id" : "Simon Miner"
          },
          {
-            "name" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
                   1
                ]
             ],
+            "name" : "Simon Proctor",
             "id" : "Simon Proctor"
          },
          {
+            "name" : "Wanderdoc",
+            "id" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "name" : "Wanderdoc",
-            "id" : "Wanderdoc"
+            ]
          },
          {
             "name" : "Yet Ebreo",
+            "id" : "Yet Ebreo",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Yet Ebreo"
+            ]
          }
       ]
+   },
+   "tooltip" : {
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
+   "legend" : {
+      "enabled" : 0
    }
 }
diff --git a/stats/pwc-language-breakdown-summary.json b/stats/pwc-language-breakdown-summary.json
index 90a12ddee8..a4c5ee2f33 100644
--- a/stats/pwc-language-breakdown-summary.json
+++ b/stats/pwc-language-breakdown-summary.json
@@ -1,63 +1,63 @@
 {
-   "subtitle" : {
-      "text" : "Last updated at 2020-05-31 21:00:40 GMT"
-   },
    "chart" : {
       "type" : "column"
    },
+   "yAxis" : {
+      "min" : 0,
+      "title" : {
+         "text" : null
+      }
+   },
    "xAxis" : {
       "type" : "category",
       "labels" : {
          "style" : {
-            "fontFamily" : "Verdana, sans-serif",
-            "fontSize" : "13px"
+            "fontSize" : "13px",
+            "fontFamily" : "Verdana, sans-serif"
          }
       }
    },
+   "subtitle" : {
+      "text" : "Last updated at 2020-05-31 21:24:21 GMT"
+   },
+   "tooltip" : {
+      "pointFormat" : "<b>{point.y:.0f}</b>"
+   },
+   "legend" : {
+      "enabled" : "false"
+   },
    "title" : {
       "text" : "Perl Weekly Challenge Contributions [2019 - 2020]"
    },
    "series" : [
       {
-         "dataLabels" : {
-            "format" : "{point.y:.0f}",
-            "rotation" : -90,
-            "style" : {
-               "fontSize" : "13px",
-               "fontFamily" : "Verdana, sans-serif"
-            },
-            "y" : 10,
-            "color" : "#FFFFFF",
-            "align" : "right",
-            "enabled" : "true"
-         },
+         "name" : "Contributions",
          "data" : [
             [
                "Blog",
-               711
+               712
             ],
             [
                "Perl",
-               2590
+               2591
             ],
             [
                "Raku",
-               1637
+               1638
             ]
          ],
-         "name" : "Contributions"
-      }
-   ],
-   "tooltip" : {
-      "pointFormat" : "<b>{point.y:.0f}</b>"
-   },
-   "legend" : {
-      "enabled" : "false"
-   },
-   "yAxis" : {
-      "min" : 0,
-      "title" : {
-         "text" : null
+         "dataLabels" : {
+            "enabled" : "true",
+            "color" : "#FFFFFF",
+            "align" : "right",
+            "rotation" : -90,
+            "y" : 10,
+            "format" : "{point.y:.0f}",
+            "style" : {
+               "fontSize" : "13px",
+               "fontFamily" : "Verdana, sans-serif"
+            }
+         }
       }
-   }
+   ]
 }
diff --git a/stats/pwc-language-breakdown.json b/stats/pwc-language-breakdown.json
index b928191ccf..9b235fb4b0 100644
--- a/stats/pwc-language-breakdown.json
+++ b/stats/pwc-language-breakdown.json
@@ -1,16 +1,30 @@
 {
-   "legend" : {
-      "enabled" : "false"
+   "subtitle" : {
+      "text" : "Click the columns to drilldown the language breakdown. Last updated at 2020-05-31 21:24:21 GMT"
    },
-   "tooltip" : {
-      "headerFormat" : "<span style=\"font-size:11px\"></span>",
-      "pointFormat" : "<span style=\"color:{point.color}\">Challenge {point.name}</span>: <b>{point.y:f}</b><br/>",
-      "followPointer" : "true"
+   "xAxis" : {
+      "type" : "category"
+   },
+   "yAxis" : {
+      "title" : {
+         "text" : "Total Solutions"
+      }
+   },
+   "chart" : {
+      "type" : "column"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "enabled" : 1,
+            "format" : "{point.y}"
+         },
+         "borderWidth" : 0
+      }
    },
    "drilldown" : {
       "series" : [
          {
-            "name" : "001",
             "data" : [
                [
                   "Perl",
@@ -25,10 +39,12 @@
                   11
                ]
             ],
-            "id" : "001"
+            "id" : "001",
+            "name" : "001"
          },
          {
             "name" : "002",
+            "id" : "002",
             "data" : [
                [
                   "Perl",
@@ -42,11 +58,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "id" : "002"
+            ]
          },
          {
             "id" : "003",
+            "name" : "003",
             "data" : [
                [
                   "Perl",
@@ -60,11 +76,9 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "003"
+            ]
          },
          {
-            "id" : "004",
             "data" : [
                [
                   "Perl",
@@ -79,11 +93,12 @@
                   10
                ]
             ],
+            "id" : "004",
             "name" : "004"
          },
          {
-            "id" : "005",
             "name" : "005",
+            "id" : "005",
             "data" : [
                [
                   "Perl",
@@ -100,7 +115,6 @@
             ]
          },
          {
-            "id" : "006",
             "data" : [
                [
                   "Perl",
@@ -115,10 +129,10 @@
                   7
                ]
             ],
+            "id" : "006",
             "name" : "006"
          },
          {
-            "name" : "007",
             "data" : [
                [
                   "Perl",
@@ -133,10 +147,10 @@
                   10
                ]
             ],
-            "id" : "007"
+            "id" : "007",
+            "name" : "007"
          },
          {
-            "id" : "008",
             "data" : [
                [
                   "Perl",
@@ -151,10 +165,10 @@
                   12
                ]
             ],
-            "name" : "008"
+            "name" : "008",
+            "id" : "008"
          },
          {
-            "name" : "009",
             "data" : [
                [
                   "Perl",
@@ -169,9 +183,11 @@
                   13
                ]
             ],
-            "id" : "009"
+            "id" : "009",
+            "name" : "009"
          },
          {
+            "id" : "010",
             "name" : "010",
             "data" : [
                [
@@ -186,12 +202,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "010"
+            ]
          },
          {
-            "id" : "011",
             "name" : "011",
+            "id" : "011",
             "data" : [
                [
                   "Perl",
@@ -208,6 +223,7 @@
             ]
          },
          {
+            "id" : "012",
             "name" : "012",
             "data" : [
                [
@@ -222,12 +238,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "id" : "012"
+            ]
          },
          {
-            "id" : "013",
             "name" : "013",
+            "id" : "013",
             "data" : [
                [
                   "Perl",
@@ -244,6 +259,8 @@
             ]
          },
          {
+            "id" : "014",
+            "name" : "014",
             "data" : [
                [
                   "Perl",
@@ -257,13 +274,9 @@
                   "Blog",
                   15
                ]
-            ],
-            "name" : "014",
-            "id" : "014"
+            ]
          },
          {
-            "id" : "015",
-            "name" : "015",
             "data" : [
                [
                   "Perl",
@@ -277,9 +290,12 @@
                   "Blog",
                   15
                ]
-            ]
+            ],
+            "id" : "015",
+            "name" : "015"
          },
          {
+            "name" : "016",
             "id" : "016",
             "data" : [
                [
@@ -294,10 +310,11 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "016"
+            ]
          },
          {
+            "id" : "017",
+            "name" : "017",
             "data" : [
                [
                   "Perl",
@@ -311,12 +328,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "name" : "017",
-            "id" : "017"
+            ]
          },
          {
-            "id" : "018",
             "data" : [
                [
                   "Perl",
@@ -331,6 +345,7 @@
                   14
                ]
             ],
+            "id" : "018",
             "name" : "018"
          },
          {
@@ -348,11 +363,10 @@
                   13
                ]
             ],
-            "name" : "019",
-            "id" : "019"
+            "id" : "019",
+            "name" : "019"
          },
          {
-            "name" : "020",
             "data" : [
                [
                   "Perl",
@@ -367,10 +381,12 @@
                   13
                ]
             ],
+            "name" : "020",
             "id" : "020"
          },
          {
             "id" : "021",
+            "name" : "021",
             "data" : [
                [
                   "Perl",
@@ -384,11 +400,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "021"
+            ]
          },
          {
-            "name" : "022",
             "data" : [
                [
                   "Perl",
@@ -403,11 +417,12 @@
                   10
                ]
             ],
+            "name" : "022",
             "id" : "022"
          },
          {
-            "id" : "023",
             "name" : "023",
+            "id" : "023",
             "data" : [
                [
                   "Perl",
@@ -424,8 +439,8 @@
             ]
          },
          {
-            "id" : "024",
             "name" : "024",
+            "id" : "024",
             "data" : [
                [
                   "Perl",
@@ -456,10 +471,12 @@
                   12
                ]
             ],
-            "name" : "025",
-            "id" : "025"
+            "id" : "025",
+            "name" : "025"
          },
          {
+            "name" : "026",
+            "id" : "026",
             "data" : [
                [
                   "Perl",
@@ -473,12 +490,9 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "026",
-            "id" : "026"
+            ]
          },
          {
-            "id" : "027",
             "data" : [
                [
                   "Perl",
@@ -493,9 +507,11 @@
                   9
                ]
             ],
+            "id" : "027",
             "name" : "027"
          },
          {
+            "name" : "028",
             "id" : "028",
             "data" : [
                [
@@ -510,8 +526,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "028"
+            ]
          },
          {
             "data" : [
@@ -532,7 +547,6 @@
             "id" : "029"
          },
          {
-            "name" : "030",
             "data" : [
                [
                   "Perl",
@@ -547,10 +561,10 @@
                   10
                ]
             ],
+            "name" : "030",
             "id" : "030"
          },
          {
-            "name" : "031",
             "data" : [
                [
                   "Perl",
@@ -565,11 +579,10 @@
                   9
                ]
             ],
+            "name" : "031",
             "id" : "031"
          },
          {
-            "id" : "032",
-            "name" : "032",
             "data" : [
                [
                   "Perl",
@@ -583,9 +596,12 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "id" : "032",
+            "name" : "032"
          },
          {
+            "name" : "033",
             "id" : "033",
             "data" : [
                [
@@ -600,11 +616,11 @@
                   "Blog",
                   10
                ]
-            ],
-            "name" : "033"
+            ]
          },
          {
             "id" : "034",
+            "name" : "034",
             "data" : [
                [
                   "Perl",
@@ -618,11 +634,11 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "034"
+            ]
          },
          {
             "name" : "035",
+            "id" : "035",
             "data" : [
                [
                   "Perl",
@@ -636,10 +652,11 @@
                   "Blog",
                   9
                ]
-            ],
-            "id" : "035"
+            ]
          },
          {
+            "name" : "036",
+            "id" : "036",
             "data" : [
                [
                   "Perl",
@@ -653,12 +670,9 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "036",
-            "id" : "036"
+            ]
          },
          {
-            "name" : "037",
             "data" : [
                [
                   "Perl",
@@ -673,6 +687,7 @@
                   9
                ]
             ],
+            "name" : "037",
             "id" : "037"
          },
          {
@@ -694,6 +709,7 @@
             ]
          },
          {
+            "id" : "039",
             "name" : "039",
             "data" : [
                [
@@ -708,12 +724,9 @@
                   "Blog",
                   12
                ]
-            ],
-            "id" : "039"
+            ]
          },
          {
-            "id" : "040",
-            "name" : "040",
             "data" : [
                [
                   "Perl",
@@ -727,9 +740,13 @@
                   "Blog",
                   10
                ]
-            ]
+            ],
+            "name" : "040",
+            "id" : "040"
          },
          {
+            "name" : "041",
+            "id" : "041",
             "data" : [
                [
                   "Perl",
@@ -743,9 +760,7 @@
                   "Blog",
                   9
                ]
-            ],
-            "name" : "041",
-            "id" : "041"
+            ]
          },
          {
             "data" : [
@@ -762,11 +777,12 @@
                   11
                ]
             ],
-            "name" : "042",
-            "id" : "042"
+            "id" : "042",
+            "name" : "042"
          },
          {
             "id" : "043",
+            "name" : "043",
             "data" : [
                [
                   "Perl",
@@ -780,8 +796,7 @@
                   "Blog",
                   11
                ]
-            ],
-            "name" : "043"
+            ]
          },
          {
             "data" : [
@@ -798,8 +813,8 @@
                   11
                ]
             ],
-