$OpenBSD: patch-lib_facter_memory_rb,v 1.3 2012/05/05 19:29:49 robert Exp $
--- lib/facter/memory.rb.orig	Sat May  5 21:25:21 2012
+++ lib/facter/memory.rb	Sat May  5 21:25:35 2012
@@ -93,7 +93,7 @@ if Facter.value(:kernel) == "AIX" and Facter.value(:id
 end
 
 if Facter.value(:kernel) == "OpenBSD"
-  swap = Facter::Util::Resolution.exec('swapctl -s')
+  swap = Facter::Util::Resolution.exec('swapctl -s') || ""
   swapfree, swaptotal = 0, 0
   if swap =~ /^total: (\d+)k bytes allocated = \d+k used, (\d+)k available$/
     swaptotal = $1.to_i
