node.js - Not able to include angular cli in existing project in eclipse? -

i new angularjs. have installed latest version of angular cli , related nodejs technologies. have created application , able run perfectly. but, facing problem importing application eclipse , converting existing web project angular project.

after analyzing multiple websites, have used below command including angular cli in existing project root directory.

ng init --source-dir app 

the response getting while running above command is, the specified command init invalid. available options, see ng help.

environment details:

windows7,

ng version: @angular/cli: 1.3.0,

node: 6.11.2

npm version: 3.10.10

eclipse oxygen

any appreciated.