908459c1ad
from an array within Puppet manifest. More or less how array slicing works in Perl ... Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
27 lines
647 B
Ruby
27 lines
647 B
Ruby
#
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# collect_indices.rb
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#
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module Puppet::Parser::Functions
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newfunction(:collect_indices, :type => :rvalue, :doc => <<-EOS
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EOS
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) do |arguments|
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raise(Puppet::ParseError, "Wrong number of arguments " +
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"given (#{arguments.size} for 2)") if arguments.size < 2
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array = arguments.shift
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indices = *arguments # Get them all ... Pokemon ...
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if not indices or indices.empty?
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raise(Puppet::ParseError, 'You must provide indices to collect')
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end
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# In Puppet numbers are often string-encoded ...
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array = indices.collect { |i| array[i.to_i] }.compact
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return array
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end
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end
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# vim: set ts=2 sw=2 et :
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