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Diffstat (limited to 'code/environments/production/modules/stdlib/lib/puppet/parser/functions/unique.rb')
-rw-r--r-- | code/environments/production/modules/stdlib/lib/puppet/parser/functions/unique.rb | 51 |
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 new file mode 100644 index 0000000..301f6a4 --- /dev/null +++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/unique.rb @@ -0,0 +1,51 @@ +# +# 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 : |