$ sudo npm install gulp-flatten
$ sudo npm install -g gulp-flatten

If want to update the gulp-flatten package execute the command as below,

$ sudo npm update gulp-flatten

Update package globally,

$ npm install -g gulp-flatten

Git clone:

$ sudo  git clone https://github.com/rektide/gulp-flatten.git

$ sudo  npm install -g ./gulp-flatten

gulp-flatten@0.3.1 /usr/lib/node_modules/gulp-flatten

How to remove gulp-flatten package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall gulp-flatten

Basic Information of gulp-flatten NPM Package: