From ef94e11ebd55fd3f9800355fc2cf2b605e55f67b Mon Sep 17 00:00:00 2001
From: Roger Bell_West <roger@firedrake.org>
Date: Mon, 4 Nov 2019 09:09:36 +0000
Subject: Solutions for #33

---
 challenge-033/roger-bell-west/perl5/ch-1.pl      | 16 +++++++++++++
 challenge-033/roger-bell-west/perl5/ch-2.pl      | 22 +++++++++++++++++
 challenge-033/roger-bell-west/perl6/ch-1.p6      | 13 ++++++++++
 challenge-033/roger-bell-west/perl6/ch-2.p6      | 19 +++++++++++++++
 challenge-033/roger-bell-west/postscript/ch-2.ps | 30 ++++++++++++++++++++++++
 5 files changed, 100 insertions(+)
 create mode 100755 challenge-033/roger-bell-west/perl5/ch-1.pl
 create mode 100755 challenge-033/roger-bell-west/perl5/ch-2.pl
 create mode 100755 challenge-033/roger-bell-west/perl6/ch-1.p6
 create mode 100755 challenge-033/roger-bell-west/perl6/ch-2.p6
 create mode 100644 challenge-033/roger-bell-west/postscript/ch-2.ps

diff --git a/challenge-033/roger-bell-west/perl5/ch-1.pl b/challenge-033/roger-bell-west/perl5/ch-1.pl
new file mode 100755
index 0000000000..f9790fc768
--- /dev/null
+++ b/challenge-033/roger-bell-west/perl5/ch-1.pl
@@ -0,0 +1,16 @@
+#! /usr/bin/perl
+
+use strict;
+use warnings;
+
+my %o;
+
+while (<>) {
+  my $a=lc($_);
+  $a =~ s/[^a-z]//g;
+  map {$o{$_}++} split '',$a;
+}
+
+foreach my $k (sort keys %o) {
+  print "$k: $o{$k}\n";
+}
diff --git a/challenge-033/roger-bell-west/perl5/ch-2.pl b/challenge-033/roger-bell-west/perl5/ch-2.pl
new file mode 100755
index 0000000000..7f665002e7
--- /dev/null
+++ b/challenge-033/roger-bell-west/perl5/ch-2.pl
@@ -0,0 +1,22 @@
+#! /usr/bin/perl
+
+use strict;
+use warnings;
+
+my $n=11;
+my $m1=length($n)+1;
+my $m2=length($n*$n)+1;
+my $fmt='%'.$m1.'s%1s'.(('%'.$m2.'s') x $n)."\n";
+printf($fmt,'x','|',(1..$n));
+printf($fmt,'-' x $m1,'+',('-' x $m2) x $n);
+foreach my $row (1..$n) {
+  my @a=($row,'|');
+  foreach my $column (1..$n) {
+    if ($column < $row) {
+      push @a,'';
+    } else {
+      push @a,$row*$column;
+    }
+  }
+  printf($fmt,@a);
+}
diff --git a/challenge-033/roger-bell-west/perl6/ch-1.p6 b/challenge-033/roger-bell-west/perl6/ch-1.p6
new file mode 100755
index 0000000000..54a95996ff
--- /dev/null
+++ b/challenge-033/roger-bell-west/perl6/ch-1.p6
@@ -0,0 +1,13 @@
+#! /usr/bin/perl6
+
+my %o;
+
+for lines() {
+  my $a=lc($_);
+  $a ~~ s:g /<-[a .. z]>//;
+  map {%o{$_}++}, split '',$a;
+}
+
+for sort keys %o -> $k {
+  print "$k: %o{$k}\n";
+}
diff --git a/challenge-033/roger-bell-west/perl6/ch-2.p6 b/challenge-033/roger-bell-west/perl6/ch-2.p6
new file mode 100755
index 0000000000..d036faf1d1
--- /dev/null
+++ b/challenge-033/roger-bell-west/perl6/ch-2.p6
@@ -0,0 +1,19 @@
+#! /usr/bin/perl6
+
+my $n=11;
+my $m1=$n.chars+1;
+my $m2=($n*$n).chars+1;
+my $fmt='%' ~ $m1 ~ 's%1s' ~ (('%' ~ $m2 ~ 's') xx $n) ~ "\n";
+printf($fmt,'x','|',(1..$n));
+printf($fmt,'-' x $m1,'+',('-' x $m2) xx $n);
+for 1 .. $n -> $row {
+  my @a=($row,'|');
+  for 1 .. $n -> $column {
+    if ($column < $row) {
+      push @a,'';
+    } else {
+      push @a,$row*$column;
+    }
+  }
+  printf($fmt,@a);
+}
diff --git a/challenge-033/roger-bell-west/postscript/ch-2.ps b/challenge-033/roger-bell-west/postscript/ch-2.ps
new file mode 100644
index 0000000000..b0d2c2c551
--- /dev/null
+++ b/challenge-033/roger-bell-west/postscript/ch-2.ps
@@ -0,0 +1,30 @@
+/n 11 def
+/scale 25 def
+/fs 12 def
+
+20 650 translate
+
+/Helvetica findfont
+fs scalefont setfont
+
+1 1 n {
+    /x exch def
+    /ns 30 string def
+    x ns cvs
+    x scale mul dup 0 moveto ns show
+    neg 0 exch moveto ns show
+    1 1 x {
+        /y exch def
+        /nv 30 string def
+        x y mul nv cvs pop
+        x scale mul y neg scale mul moveto nv show
+    } for
+} for
+
+0 scale 2 div neg fs 2 div add moveto
+scale n 1 add mul scale 2 div neg fs 2 div add lineto
+scale 2 div fs 2 div add fs moveto
+scale 2 div fs 2 div add scale n 1 add mul neg fs add lineto
+stroke
+
+showpage
-- 
cgit