puppetlabs-stdlib/lib/puppet/parser/functions/concat.rb
2014-12-04 14:33:23 +00:00

37 lines
792 B
Ruby

#
# 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]
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)
return result
end
end
# vim: set ts=2 sw=2 et :