Ruby solutions for week 135

3 files changed, 63 insertions, 0 deletions

diff --git a/challenge-135/abigail/README.md b/challenge-135/abigail/README.md
index a69904f5c4..ef6c3b18c8 100644
--- a/challenge-135/abigail/README.md
+++ b/challenge-135/abigail/README.md
@@ -9,6 +9,7 @@
 * [Node.js](node/ch-1.js)
 * [Perl](perl/ch-1.pl)
 * [Python](python/ch-1.py)
+* [Ruby](ruby/ch-1.rb)
 
 ## Part 2
 
@@ -19,3 +20,4 @@
 * [Node.js](node/ch-2.js)
 * [Perl](perl/ch-2.pl)
 * [Python](python/ch-2.py)
+* [Ruby](ruby/ch-2.rb)
diff --git a/challenge-135/abigail/ruby/ch-1.rb b/challenge-135/abigail/ruby/ch-1.rb
new file mode 100644
index 0000000000..508907eb97
--- /dev/null
+++ b/challenge-135/abigail/ruby/ch-1.rb
@@ -0,0 +1,24 @@
+#!/usr/bin/ruby
+
+#
+# See ../README.md
+#
+ 
+#
+# Run as: ruby ch-1.rb < input-file
+#
+
+ARGF . each_line do
+    | line |
+    line = line . strip() . gsub(/^[-+]/, "")
+    ll   = line . length
+    if line . match (/[^0-9]/) then
+        puts ("not an integer")
+    elsif ll % 2 == 0 then
+        puts ("even number of digits")
+    elsif ll < 3 then
+        puts ("too short")
+    else
+        puts (line [((ll - 3) / 2) . to_i .. ((ll + 2) / 2) . to_i])
+    end
+end
diff --git a/challenge-135/abigail/ruby/ch-2.rb b/challenge-135/abigail/ruby/ch-2.rb
new file mode 100644
index 0000000000..e77981d64a
--- /dev/null
+++ b/challenge-135/abigail/ruby/ch-2.rb
@@ -0,0 +1,37 @@
+#!/usr/bin/ruby
+
+#
+# See ../README.md
+#
+ 
+#
+# Run as: ruby ch-2.rb < input-file
+#
+
+w = [1, 3, 1, 7, 3, 9, 1]
+
+ARGF . each_line do
+    | line |
+    line . strip!
+    if line . match (/^[0-9BCDFGHJKLMNPQRSTVWXYZ]/) then
+        check = 0
+        line . split('') . each_with_index do
+            | char, i |
+            val = char . ord
+            if val <= "9" . ord then
+                val -= "0" . ord
+            else
+                val -= "A" . ord
+                val += 10
+            end
+            check += w [i] * val
+        end
+        if check % 10 == 0 then
+            puts (1)
+        else
+            puts (0)
+        end
+    else
+        puts (0)
+    end
+end