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-rw-r--r--lib/puppet/parser/functions/concat.rb18
1 files changed, 11 insertions, 7 deletions
diff --git a/lib/puppet/parser/functions/concat.rb b/lib/puppet/parser/functions/concat.rb
index 0d35b07..618e62d 100644
--- a/lib/puppet/parser/functions/concat.rb
+++ b/lib/puppet/parser/functions/concat.rb
@@ -4,31 +4,35 @@
module Puppet::Parser::Functions
newfunction(:concat, :type => :rvalue, :doc => <<-EOS
-Appends the contents of array 2 onto array 1.
+Appends the contents of multiple arrays into array 1.
*Example:*
- concat(['1','2','3'],['4','5','6'])
+ concat(['1','2','3'],['4','5','6'],['7','8','9'])
Would result in:
- ['1','2','3','4','5','6']
+ ['1','2','3','4','5','6','7','8','9']
EOS
) do |arguments|
- # Check that 2 arguments have been given ...
+ # 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
+ "given (#{arguments.size} for < 2)") if arguments.size < 2
a = arguments[0]
- b = arguments[1]
# 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 + Array(b)
+ result = a
+ arguments.shift
+
+ arguments.each do |x|
+ result = result + Array(x)
+ end
return result
end