grunt-upx

By using upx.exe this plugin is able to compress executables files up to 85% of their original size.

Getting Started

This plugin requires Grunt ~0.4.5

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-upx --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-upx');

The "upx" task

Overview

In your project's Gruntfile, add a section named upx to the data object passed into grunt.initConfig().

grunt.initConfig({
  upx: {
    default_options: {
      options: {
        speed: 9,
        agrs: ' --compress-icons=0'
      },
      files: {
        src: ['test/file.exe'],
        dest: 'test/dist'
      }
    }
  }
});

Options

options.speed

Type: integer Default value: 3

This represent the speed and compression type, 1 being the faster and less compress.

options.ags

Type: String Default value: none

You can pass any extra arguments available in upx

Usage Examples

Default Options

In this example, the default options are used to compress executable in a folder and then send to a distibution folder. If you want to keep the executables in the same folder, just remove the destination folder.

grunt.initConfig({
  upx: {
    options: {
      speed: 8
    },
    files: {
      src: ['test/file.exe'],
      dest: 'test/dist'
    }
  }
});

Custom Options

In this example, custom options are used get the best compression and create a backup file of the executable while keeping it in the same folder.

grunt.initConfig({
  upx: {
    options: {
      speed: 9,
      args ' -k'
    },
    files: {
      src: ['test/file.exe']
    }
  }
});