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#
# suffix.rb
#
module Puppet::Parser::Functions
newfunction(:suffix, :type => :rvalue, :doc => <<-EOS
This function applies a suffix to all elements in an array.
*Examples:*
suffix(['a','b','c'], 'p')
Will return: ['ap','bp','cp']
EOS
) do |arguments|
# Technically we support two arguments but only first is mandatory ...
raise(Puppet::ParseError, "suffix(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
array = arguments[0]
unless array.is_a?(Array)
raise Puppet::ParseError, "suffix(): expected first argument to be an Array, got #{array.inspect}"
end
suffix = arguments[1] if arguments[1]
if suffix
unless suffix.is_a? String
raise Puppet::ParseError, "suffix(): expected second argument to be a String, got #{suffix.inspect}"
end
end
# Turn everything into string same as join would do ...
result = array.collect do |i|
i = i.to_s
suffix ? i + suffix : i
end
return result
end
end
# vim: set ts=2 sw=2 et :
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