node.js - how to set grunt variable env path -


i trying set grunt node.js project , have followed below steps:
1)i have installed node.js , working fine.
2)installed git.
3)installed grun running: npm install -g grunt-cli. 

c:\users\user\downloads\bpost-gs-api-1.1.1>npm install -g grunt-cli c:\users\user\appdata\roaming\npm\grunt -> c:\users\891153\appdata\roaming\npm\node_modules\grunt-cli\bin\grunt c:\users\user\appdata\roaming\npm `-- grunt-cli@1.2.0

now have run cmd grunt -version, got below error:

grunt not recognized internal or external command, operable program or batch file.

can please me set grunt project. how setup variable env , how setup path etc.

appreciate help

https://gruntjs.com/getting-started

in order started, you'll want install grunt's command line interface (cli) globally. may need use sudo (for osx, *nix, bsd etc) or run command shell administrator (for windows) this.

npm install -g grunt-cli

this put grunt command in system path, allowing run directory. note installing grunt-cli not install grunt task runner! job of grunt cli simple: run version of grunt has been installed next gruntfile. allows multiple versions of grunt installed on same machine simultaneously.

start reading this: https://gruntjs.com/installing-grunt

if need specific version of grunt or grunt plugin, run npm install grunt@version --save-dev version version need.

for better understood on how start setup grunt project: https://gruntjs.com/getting-started#preparing-a-new-grunt-project

a typical setup involve adding 2 files project: package.json , gruntfile. package.json: file used npm store metadata projects published npm modules. list grunt , grunt plugins project needs devdependencies in file. gruntfile: file named gruntfile.js or gruntfile.coffee , used configure or define tasks , load grunt plugins. when documentation mentions gruntfile talking file, either gruntfile.js or gruntfile.coffee.


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