try extjs with rails.sh

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############ this doesn't work with anthing above rails 2.0.4 
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cd `mktemp -d`
rails ext_js_test
wget extjs.com/deploy/ext-2.2.zip
unzip ext-2.2.zip
mv ext-2.2 ext_js_test/public/ext
cd ext_js_test
script/plugin install http://rug-b.rubyforge.org/svn/ext_scaffold/
script/generate ext_scaffold Post title:string body:text published:boolean visible_from:datetime visible_to:date
rake db:create db:migrate
script/server 
#go to http://localhost:3000/posts/