7 files changed, 210 insertions, 0 deletions
diff --git a/challenge-238/augiedb/README b/challenge-238/augiedb/README
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+Solution by Augie De Blieck Jr.
diff --git a/challenge-238/augiedb/blog1.txt b/challenge-238/augiedb/blog1.txt
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+https://variousandsundry.com/running-sum-or-i-love-recursion/
diff --git a/challenge-238/augiedb/blog2.txt b/challenge-238/augiedb/blog2.txt
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+https://variousandsundry.com/persistence-sort-in-which-i-give-up-and-use-a-global/
diff --git a/challenge-238/augiedb/blog3.txt b/challenge-238/augiedb/blog3.txt
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+https://variousandsundry.com/recursive-running-sum-redux-in-elixir/
diff --git a/challenge-238/augiedb/elixir/ch-1.exs b/challenge-238/augiedb/elixir/ch-1.exs
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+# Given an array, output an array of the running sum.
+
+defmodule Runner do
+
+	def running_sum([head | tail], new_list, sum) do
+		sum = sum + head
+		running_sum(tail, new_list ++ [sum], sum)
+	end
+
+	def running_sum([], new_list, _) do
+		new_list
+	end
+end
+
+IO.puts 'Exercise 1: '
+list_of_numbers = [1, 2, 3, 4, 5]
+IO.inspect list_of_numbers
+IO.inspect Runner.running_sum(list_of_numbers, [], 0)
+
+IO.puts 'Exercise 2: '
+list_of_numbers = [1, 1, 1, 1, 1]
+IO.inspect list_of_numbers
+IO.inspect Runner.running_sum(list_of_numbers, [], 0)
+
+IO.puts 'Exercise 3: '
+list_of_numbers = [0, -1, 1, 2]
+IO.inspect list_of_numbers
+IO.inspect Runner.running_sum(list_of_numbers, [], 0)
+
+
diff --git a/challenge-238/augiedb/perl/ch-1.pl b/challenge-238/augiedb/perl/ch-1.pl
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+#!/usr/bin/perl
+use strict;
+use warnings;
+
+# Week 238, Task 1: Running Sum
+# Given an array, output an array of the running sum.
+
+# Test Data:
+my @test1 = (1, 2, 3, 4, 5);
+my @test2 = (1, 1, 1, 1, 1);
+my @test3 = (0, -1, 1, 2);
+my @array_examples = (\@test1, \@test2, \@test3);
+
+
+print "Running Sum Code Results:\n";
+print "=========================\n\n";
+
+foreach my $array_ref (@array_examples) {
+
+	print "Array: " ;
+	pretty_print_array( $array_ref );
+
+	my @results = show_running_sum($array_ref);
+
+	print "Results: ";
+	pretty_print_array(\@results);
+	
+	print "\n";
+
+}
+
+##
+## Subroutines
+##
+
+sub show_running_sum {
+
+	## Ultimately, this is the heart of the solution
+
+	my @array = @{ shift() };
+	my $sum = 0;
+
+	return map{ $sum += $_ } @array;
+
+}
+
+sub pretty_print_array {
+
+	## Total overkill, but I'm new and over-enthusiastic.
+	## In reality, I'd find something on CPAN for this.
+
+	my @array = @{ shift() };
+	my $length = scalar @array;
+	my $count = 1;
+
+	print "(";
+
+	foreach my $value(@array) {
+		print $value;
+		print ", " if $count < $length;
+		$count++;
+	}
+
+	print ")\n";
+
+	return;
+}
+
diff --git a/challenge-238/augiedb/perl/ch-2.pl b/challenge-238/augiedb/perl/ch-2.pl
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index 0000000000..f994839183
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+++ b/challenge-238/augiedb/perl/ch-2.pl
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+#!/usr/bin/perl 
+
+use strict;
+use warnings;
+
+# Week 238, Task 2: Persistence Sort
+# I can't explain it in one line.  Go to the website.
+
+## Test Values:
+my @first  = (15, 99, 1, 34);
+my @second = (50, 25, 33, 22);
+my @tests = ( \@first, \@second );
+
+## This is global because I'm a bad person.
+## Also, I ran out of time to fix it.
+my %steps;
+
+## Runner:
+foreach my $array_ref( @tests ) {
+
+	print "BEFORE: ";
+	pretty_print_array( $array_ref);
+
+	my @results = persistence_sort( $array_ref );
+
+	print "AFTER: ";
+	pretty_print_array(\@results);
+
+	print "\n";
+
+	## The price I pay for the global
+	%steps = ();
+
+}
+
+
+## Basically, main(): 
+sub persistence_sort {
+
+	my @array = @{ shift() };
+
+	foreach my $value( @array ) {
+		my @array_of_numbers = split(//, $value);
+		$steps{$value} = multiply_numbers_recursively($value, 0);
+	}
+	
+	my @final_results = sort compare keys %steps;
+
+	return @final_results;
+
+}
+
+sub compare {
+
+	## The two level sort function
+	## The reason I have a global variable.
+
+	if($steps{$a} < $steps{$b}) {
+		return -1;
+	} elsif ($steps{$a} == $steps{$b}) {
+		return 1 if $a > $b;
+		return -1;
+	} else {
+		return 1
+	}
+
+}
+
+
+sub multiply_numbers_recursively {
+
+	# Recursion Rocks
+
+	my $number = shift();
+	my $count  = shift();
+
+	my @list_of_numbers = split(//, $number);
+	return $count if scalar(@list_of_numbers) == 1;
+	
+	my $running_total = 1;
+	map{ $running_total *= $_ } @list_of_numbers;
+	
+	return multiply_numbers_recursively($running_total, ++$count);
+}
+
+sub pretty_print_array {
+
+	## I copied-and-pasted this from my solution for Task 1.
+	## If I copy-and-paste it again, by law I need to turn
+	## it into a library. ;-)
+
+        my @array = @{ shift() };
+        my $length = scalar @array;
+        my $count = 1;
+
+        print "(";
+
+        foreach my $value(@array) {
+                print $value;
+                print ", " if $count < $length;
+                $count++;
+        }
+
+        print ")\n";
+
+        return;
+}
+