Code smell reductions

These are a grab-bag of code simplification changes I made in
the process of figuring out what was going on with #2881; they
should all be absolutely behavior neutral.

1 files changed, 8 insertions, 23 deletions

diff --git a/lib/puppet/application/ralsh.rb b/lib/puppet/application/ralsh.rb
index 6ad520dca..a9921d7a7 100644
--- a/lib/puppet/application/ralsh.rb
+++ b/lib/puppet/application/ralsh.rb
@@ -38,25 +38,16 @@ Puppet::Application.new(:ralsh) do
     end
 
     command(:main) do
-        if ARGV.length > 0
-            type = ARGV.shift
-        else
-            raise "You must specify the type to display"
-        end
-
-        name = nil
+        type = ARGV.shift or raise "You must specify the type to display"
+        typeobj = Puppet::Type.type(type) or raise "Could not find type #{type}"
+        name = ARGV.shift
         params = {}
-        if ARGV.length > 0
-            name = ARGV.shift
-        end
 
-        if ARGV.length > 0
-            ARGV.each do |setting|
-                if setting =~ /^(\w+)=(.+)$/
-                    params[$1] = $2
-                else
-                    raise "Invalid parameter setting %s" % setting
-                end
+        ARGV.each do |setting|
+            if setting =~ /^(\w+)=(.+)$/
+                params[$1] = $2
+            else
+                raise "Invalid parameter setting %s" % setting
             end
         end
 
@@ -64,12 +55,6 @@ Puppet::Application.new(:ralsh) do
             raise "You cannot edit a remote host"
         end
 
-        typeobj = nil
-
-        unless typeobj = Puppet::Type.type(type)
-            raise "Could not find type %s" % type
-        end
-
         properties = typeobj.properties.collect { |s| s.name }
 
         format = proc {|trans|