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-rw-r--r--code/environments/production/modules/stdlib/lib/puppet/parser/functions/unique.rb51
1 files changed, 51 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/unique.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/unique.rb
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+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/unique.rb
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+#
+# unique.rb
+#
+module Puppet::Parser::Functions
+ newfunction(:unique, :type => :rvalue, :doc => <<-DOC
+ This function will remove duplicates from strings and arrays.
+
+ *Examples:*
+
+ unique("aabbcc")
+
+ Will return:
+
+ abc
+
+ You can also use this with arrays:
+
+ unique(["a","a","b","b","c","c"])
+
+ This returns:
+
+ ["a","b","c"]
+ DOC
+ ) do |arguments|
+
+ if Puppet::Util::Package.versioncmp(Puppet.version, '5.0.0') >= 0
+ function_deprecation([:unique, 'This method is deprecated, please use the core puppet unique function. There is further documentation for the function in the release notes of Puppet 5.0.'])
+ end
+
+ raise(Puppet::ParseError, "unique(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
+
+ value = arguments[0]
+
+ unless value.is_a?(Array) || value.is_a?(String)
+ raise(Puppet::ParseError, 'unique(): Requires either array or string to work with')
+ end
+
+ result = value.clone
+
+ string = value.is_a?(String) ? true : false
+
+ # We turn any string value into an array to be able to shuffle ...
+ result = string ? result.split('') : result
+ result = result.uniq # Remove duplicates ...
+ result = string ? result.join : result
+
+ return result
+ end
+end
+
+# vim: set ts=2 sw=2 et :