Working with Sencha for ExtJs

=== download Sencha tool here http://www.sencha.com/products/sencha-cmd
stored in
Linux //samba-share/downloads/sencha/SenchaCmd-3.1.0.256-linux.run.zip
Window //samba-share/downloads/sencha/SenchaCmd-3.1.0.256-windows.exe.zip

== download ExtJs SDK from http://www.sencha.com/products/extjs/
http://www.sencha.com/products/extjs/download/ext-js-4.2.0/2142
Zip Sorted in //samba-share/downloads/sencha/extjs_420_build_2142/SenchaCmd-3.1.0.256-windows.exe.zip

==help install URL == http://stackoverflow.com/questions/14730977/build-failed-in-sencha-cmd
install ruby from http://rubyinstaller.org/
or sudo apt-get install ruby

==put in bashrc
export EXTJS_SDK=~/programs/sencha-cmd/ext-4.2.0.663
export SENCHA_HOME=$SENCHA_CMD_3.1.0.256
PATH=...$SENCHA_HOME/bin:$PATH

ll $SENCHA_HOME/sencha.cfg
echo "skip.sass=1" == $SENCHA_HOME/sencha.cfg
echo "skip.slice=1" == $SENCHA_HOME/sencha.cfg

test Sencha cmd as
==sencha

create new app as follows
cd ~/projects-try

sencha -sdk $EXTJS_SDK generate app CCAProject ~/projects-try/ccaApp

== to build app first cd to it and then build
cd ~/projects-try/ccaApp

echo "skip.sass=1" ext/cmd/sencha.cfg
echo "skip.slice=1" ext/cmd/sencha.cfg

sencha app build