Google Contact API by using cUrl in BAT file

This is example how to backup all your contact from the command line by using cUrl in BAT file

1. Download Curl: http://curl.haxx.se/download/curl-7.19.4-win32-ssl-sspi.zip

2. Create a Bat File, and save it (for example backupContacts.bat):

@echo off
echo.
echo Google Contact backup BAT file
echo -------------------------------------
echo 1. First you need to login
echo.
	set accountType=HOSTED_OR_GOOGLE
	set /p accountType=	Account Type [Default:HOSTED_OR_GOOGLE] :
	     set /p Email=	Email Address				:
	   set /p Passwd=	Password				:

set url="AccountType=%accountType%&Email=%email%&Passwd=%passwd%&service=cp&cp=batfile-backupcontacts"
	curl --silent -d %url% -k https://www.google.com/accounts/clientLogin | find "Auth" > token
	set /p Token= <token
	del token

curl --silent -H "Authorization: GoogleLogin %token%" -k "https://www.google.com/m8/feeds/contacts/default/full?max-results=1000&prettyprint=true" >ans

echo @echo off>ans.bat
echo if "%%1"=="title" set toprint=%%4 >> ans.bat
echo if "%%1"=="gd:email" echo		%%toprint%%	:%%5 >> ans.bat
echo 2. List of your contacts:
for /f "tokens=1-10 delims=<,>, " %%a in (ans) do @call ans.bat %%a %%b %%c %%d %%e %%f >>Backup.txt
type Backup.txt
echo.
set /p newfilename=3. Enter a file name to save it [default: Backup.txt]:
if not "%newfilename%"=="" ren Backup.txt %newfilename%
echo		A file "%newfilename%" created.
del ans
del ans.bat
set token=
set email=
set passwd=
set newfilename=
set url=
set toprint=

Screen shots:

Read more: Google Contacts API
Other Library: Google Analytics Data Export API using cUrl in BAT file