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diff --git a/3rdparty/modules/stdlib/lib/puppet/parser/functions/concat.rb b/3rdparty/modules/stdlib/lib/puppet/parser/functions/concat.rb
new file mode 100644
index 00000000..618e62d4
--- /dev/null
+++ b/3rdparty/modules/stdlib/lib/puppet/parser/functions/concat.rb
@@ -0,0 +1,41 @@
+#
+# concat.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:concat, :type => :rvalue, :doc => <<-EOS
+Appends the contents of multiple arrays into array 1.
+
+*Example:*
+
+    concat(['1','2','3'],['4','5','6'],['7','8','9'])
+
+Would result in:
+
+  ['1','2','3','4','5','6','7','8','9']
+    EOS
+  ) do |arguments|
+
+    # Check that more than 2 arguments have been given ...
+    raise(Puppet::ParseError, "concat(): Wrong number of arguments " +
+      "given (#{arguments.size} for < 2)") if arguments.size < 2
+
+    a = arguments[0]
+
+    # Check that the first parameter is an array
+    unless a.is_a?(Array)
+      raise(Puppet::ParseError, 'concat(): Requires array to work with')
+    end
+
+    result = a
+    arguments.shift
+
+    arguments.each do |x|
+      result = result + Array(x)
+    end
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :