Added basename() based on Ruby's File.basename

Based on dirname code.  Includes RSpec tests and docs.

1 files changed, 34 insertions, 0 deletions

diff --git a/lib/puppet/parser/functions/basename.rb b/lib/puppet/parser/functions/basename.rb
new file mode 100644
index 0000000..f7e4438
--- /dev/null
+++ b/lib/puppet/parser/functions/basename.rb
@@ -0,0 +1,34 @@
+module Puppet::Parser::Functions
+  newfunction(:basename, :type => :rvalue, :doc => <<-EOS
+    Strips directory (and optional suffix) from a filename
+    EOS
+  ) do |arguments|
+
+    if arguments.size < 1 then
+      raise(Puppet::ParseError, "basename(): No arguments given")
+    elsif arguments.size > 2 then
+      raise(Puppet::ParseError, "basename(): Too many arguments given (#{arguments.size})")
+    else
+
+      unless arguments[0].is_a?(String)
+        raise(Puppet::ParseError, 'basename(): Requires string as first argument')
+      end
+
+      if arguments.size == 1 then
+        rv = File.basename(arguments[0])
+      elsif arguments.size == 2 then
+
+        unless arguments[1].is_a?(String)
+          raise(Puppet::ParseError, 'basename(): Requires string as second argument')
+        end
+
+        rv = File.basename(arguments[0], arguments[1])
+      end
+
+    end
+
+    return rv
+  end
+end
+
+# vim: set ts=2 sw=2 et :