From a79b2cdf43a4aad966fef8c9966d0853d7fa28f6 Mon Sep 17 00:00:00 2001 From: Peter Meier Date: Wed, 28 Nov 2012 19:13:57 +0100 Subject: Add reject() function Like the grep function, but we can now reject members of an array based on a pattern. --- lib/puppet/parser/functions/reject.rb | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 lib/puppet/parser/functions/reject.rb (limited to 'lib') diff --git a/lib/puppet/parser/functions/reject.rb b/lib/puppet/parser/functions/reject.rb new file mode 100644 index 0000000..1953ffc --- /dev/null +++ b/lib/puppet/parser/functions/reject.rb @@ -0,0 +1,31 @@ +# +# reject.rb +# + +module Puppet::Parser::Functions + newfunction(:reject, :type => :rvalue, :doc => <<-EOS) do |args| +This function searches through an array and rejects all elements that match +the provided regular expression. + +*Examples:* + + reject(['aaa','bbb','ccc','aaaddd'], 'aaa') + +Would return: + + ['bbb','ccc'] +EOS + + if (args.size != 2) + raise Puppet::ParseError, + "reject(): Wrong number of arguments given #{args.size} for 2" + end + + ary = args[0] + pattern = Regexp.new(args[1]) + + ary.reject { |e| e =~ pattern } + end +end + +# vim: set ts=2 sw=2 et : -- cgit v1.2.3