Update README.md

README.md

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-# gda
+# GDA - Google Drive download using aria2c
 Download large file in Google Drive with aria2 at max speed 
+
+## Why do this?
+With small file, you can easily download it by ```aria2c -x16 -s16 -j5 "https://drive.google.com/uc?id=YOURFILEID&export=download"```. But you can't do that with large file because Google will show a warning about virus scan. So I want to make this for downloading the large file from Google Drive automaticly without confirm that warning.
+
+## How this work?
+This work the same as <a href="https://gist.github.com/iamtekeste/3cdfd0366ebfd2c0d805#gistcomment-2316906">this</a> wget method: Get the auth cookies from Google Drive, pass it to aria2c (see <a href="https://github.com/aria2/aria2/issues/545">this</a>).
+
+## Usage
+```gda.py fileid```
+<br>fileid: Insert your fileid
+<br>For example: if your link is https://drive.google.com/file/d/1nVOL_4NMw8hfszfYYo2bwUSgFtQtulAT/view
+```gda.py 1nVOL_4NMw8hfszfYYo2bwUSgFtQtulAT```
+
+## Requirement
+- Python3
+- <i>requests</i> library
+
+## Todo
+- Add folder download support