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-rw-r--r--lib/puppet/parser/functions/concat.rb37
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/concat.rb b/lib/puppet/parser/functions/concat.rb
new file mode 100644
index 0000000..c86aa00
--- /dev/null
+++ b/lib/puppet/parser/functions/concat.rb
@@ -0,0 +1,37 @@
+#
+# concat.rb
+#
+
+module Puppet::Parser::Functions
+ newfunction(:concat, :type => :rvalue, :doc => <<-EOS
+Appends the contents of array 2 onto array 1.
+
+*Example:*
+
+ concat(['1','2','3'],['4','5','6'])
+
+Would result in:
+
+ ['1','2','3','4','5','6']
+ EOS
+ ) do |arguments|
+
+ # Check that 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]
+ b = arguments[1]
+
+ # Check that both args are arrays.
+ unless a.is_a?(Array) and b.is_a?(Array)
+ raise(Puppet::ParseError, 'concat(): Requires array to work with')
+ end
+
+ result = a.concat(b)
+
+ return result
+ end
+end
+
+# vim: set ts=2 sw=2 et :