Install

# python setup.py install

Blogger

$ google blogger post --title "foo" "command line posting"

Calendar

$ google calendar add "Lunch with Jim at noon tomorrow"

Contacts

$ google contacts list name,email > contacts.csv

Docs

$ google docs edit --title "Shopping list"

Picasa

$ google picasa create --title "Cat Photos" ~/photos/cats/*.jpg

Youtube

$ google youtube post --category Education killer_robots.avi

Reference

googlecl - Project Hosting on Google Code
http://code.google.com/p/googlecl/

public int: Setup GoogleCL on WinXP
http://publicint.blogspot.com/2010/06/setup-googlecl-on-winxp.html