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README.md

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+# mas-cli
+
+Command line interface for the Mac App Store, designed for scripting and
+automation.
+
+## Install
+
+[Homebrew](hb) is the preferred way to install:
+
+    brew install argon/mas/mas
+
+Alternatively binaries are available in the [GitHub Releases](ghreleases)
+
+## Usage
+
+Each application in the Mac App Store has a product identifier which is also
+used for mas-cli commands. The best way to find the product identifier of an 
+app is to run `mas list`. This will list all installed applications along with
+their product identifiers
+
+    $ mas list
+    446107677 Screens
+    407963104 Pixelmator
+    497799835 Xcode
+
+To install an application simply run `mas install`:
+
+    $ mas install 808809998
+    ==> Downloading PaintCode 2
+    ==> Installed PaintCode 2
+
+`mas install` can also be used to install pending updates.
+
+Use `mas outdated` to list all applications with pending updates.
+
+    $ mas outdated
+    497799835 Xcode (7.0)
+    446107677 Screens VNC - Access Your Computer From Anywhere (3.6.7)
+
+## License
+
+Code is under the MIT license.
+
+[hb]: https://brew.sh
+[ghreleases]: https://github.com/argon/mas/releases
+