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34 lines
609 B
Ruby
34 lines
609 B
Ruby
#
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# grep.rb
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#
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module Puppet::Parser::Functions
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newfunction(:grep, :type => :rvalue, :doc => <<-EOS
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This function searches through an array and returns any elements that match
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the provided regular expression.
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*Examples:*
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grep(['aaa','bbb','ccc','aaaddd'], 'aaa')
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Would return:
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['aaa','aaaddd']
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EOS
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) do |arguments|
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if (arguments.size != 2) then
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raise(Puppet::ParseError, "grep(): Wrong number of arguments "+
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"given #{arguments.size} for 2")
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end
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a = arguments[0]
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pattern = Regexp.new(arguments[1])
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a.grep(pattern)
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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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