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