This application looks like what you're looking for. It's call gsutil.
This pages discusses how to install gsutil, a tool that enables you to access Google Cloud Storage from the command-line.
gsutil runs on Linux/Unix, Mac OS, and Windows. To use gsutil, you must have Python 2.6.x or 2.7.x installed on your computer. gsutil does not currently run on Python 3.x. Python is installed by default on most distributions of Linux and Mac OS X. Python is not installed by default on Windows; you must install Python before you can run gsutil on Windows.
Scrolling down roughly 1/2 way on the install page are instructions for using PyPi for installing gsutil under CentOS, RHEL, & Fedora.
Installation
Install required system packages.
Several packages are required to successfully install gsutil from PyPi. You can install them with the following command:
$ sudo yum install gcc openssl-devel python-devel python-setuptools
Install pip.
We recommend using the pip installer. You can install it with the following command:
$ sudo easy_install -U pip
Install gsutil from PyPi.
To install gsutil from PyPi, use the following command:
$ sudo pip install gsutil
That's it. You're ready to start using gsutil. To see a listing of gsutil commands, type gsutil at the command prompt.
Updating gsutil
The gsutil update command is not available when installing via PyPi. To update gsutil, use the pip installer:
$ sudo pip install -U gsutil
After installation, gsutil config will need to be run to configure.