improve documentation and function naming

1 files changed, 11 insertions, 2 deletions

diff --git a/plugins/puppet/parser/functions/dirname.rb b/plugins/puppet/parser/functions/dirname.rb
index 3f784ac..44b4a00 100644
--- a/plugins/puppet/parser/functions/dirname.rb
+++ b/plugins/puppet/parser/functions/dirname.rb
@@ -1,7 +1,16 @@
-# get the directory corresponding to this filename
+# dirname(string) : string
+# dirname(string[]) : string[]
+#
+# Returns all components of the filename given as argument except the last
+# one. The filename must be formed using forward slashes (``/..) regardless of
+# the separator used on the local file system.
 module Puppet::Parser::Functions
 	newfunction(:dirname, :type => :rvalue) do |args|
-		File.dirname(args[0])
+		if args[0].is_a?(Array)
+			args.collect do |a| File.dirname(a) end
+		else
+			File.dirname(args[0])
+		end
 	end
 end