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-rw-r--r--lib/puppet/parser/functions/grep.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/grep.rb b/lib/puppet/parser/functions/grep.rb
index 1663fe7..8549218 100644
--- a/lib/puppet/parser/functions/grep.rb
+++ b/lib/puppet/parser/functions/grep.rb
@@ -6,6 +6,12 @@ module Puppet::Parser::Functions
newfunction(:grep, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
+
+ if (arguments.size != 2) then
+ raise(Puppet::ParseError, "grep(): Wrong number of arguments "+
+ "given #{arguments.size} for 2")
+ end
+
end
end