Add a dirname function

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/puppet/parser/functions/dirname.rb b/lib/puppet/parser/functions/dirname.rb
new file mode 100644
index 0000000..ea8cc1e
--- /dev/null
+++ b/lib/puppet/parser/functions/dirname.rb
@@ -0,0 +1,15 @@
+module Puppet::Parser::Functions
+  newfunction(:dirname, :type => :rvalue, :doc => <<-EOS
+    Returns the dirname of a path.
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "dirname(): Wrong number of arguments " +
+      "given (#{arguments.size} for 1)") if arguments.size < 1
+
+    path = arguments[0]
+    return File.dirname(path)
+  end
+end
+
+# vim: set ts=2 sw=2 et :