Data commit

Task/SEDOLs/Ruby/sedols.rb

@@ -0,0 +1,37 @@
+Sedol_char = "0123456789BCDFGHJKLMNPQRSTVWXYZ"
+Sedolweight = [1,3,1,7,3,9]
+
+def char2value(c)
+  raise ArgumentError, "Invalid char #{c}" unless Sedol_char.include?(c)
+  c.to_i(36)
+end
+
+def checksum(sedol)
+  raise ArgumentError, "Invalid length" unless sedol.size == Sedolweight.size
+  sum = sedol.chars.zip(Sedolweight).sum{|ch, weight| char2value(ch) * weight }
+  ((10 - (sum % 10)) % 10).to_s
+end
+
+data = %w(710889
+          B0YBKJ
+          406566
+          B0YBLH
+          228276
+          B0YBKL
+          557910
+          B0YBKR
+          585284
+          B0YBKT
+          B00030
+          C0000
+          1234567
+          00000A)
+
+data.each do |sedol|
+  print "%-8s " % sedol
+  begin
+    puts sedol + checksum(sedol)
+  rescue => e
+    p e
+  end
+end