diff options
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/zip.rb')
-rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/zip.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/zip.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/zip.rb new file mode 100644 index 00000000..3074f282 --- /dev/null +++ b/puppet/modules/stdlib/lib/puppet/parser/functions/zip.rb @@ -0,0 +1,39 @@ +# +# zip.rb +# + +module Puppet::Parser::Functions + newfunction(:zip, :type => :rvalue, :doc => <<-EOS +Takes one element from first array and merges corresponding elements from second array. This generates a sequence of n-element arrays, where n is one more than the count of arguments. + +*Example:* + + zip(['1','2','3'],['4','5','6']) + +Would result in: + + ["1", "4"], ["2", "5"], ["3", "6"] + EOS + ) do |arguments| + + # Technically we support three arguments but only first is mandatory ... + raise(Puppet::ParseError, "zip(): Wrong number of arguments " + + "given (#{arguments.size} for 2)") if arguments.size < 2 + + a = arguments[0] + b = arguments[1] + + unless a.is_a?(Array) and b.is_a?(Array) + raise(Puppet::ParseError, 'zip(): Requires array to work with') + end + + flatten = function_str2bool([arguments[2]]) if arguments[2] + + result = a.zip(b) + result = flatten ? result.flatten : result + + return result + end +end + +# vim: set ts=2 sw=2 et : |