# ftp.cngb.org

## Feature instruction

### Download by Raysync


Clicking icon buttons in "Download by Raysync" column will start folder or file downloading in Raysync Client
software.

This feature requires Raysync Client software and only support Windows and Mac platforms.
Download the installation package from https://ftp.cngb.org/pub/course/tool/raysync/ .
After installation, start Raysync Client first, and refreshing the page is required.

Please note, the page can not start Raysync Client automatically. Start Raysync Client manually first, before using
this feature.

### Copy download command

Copying file download command is available in pub/ folder.

Copying folder download command is available in pub/CNSA/data*/, pub/Dataset/, pub/SciRAID/*/ and
pub/stomics/ folder.

Clicking icon buttons in "Copy download command" column will copy the wget download command for file or folder.
Both commands support resuming interrupted download.
To resume an interrupted download, execute the same command again in the working directory where the download command
was last executed.

The wget download command requires the wget software, while the ascp one requires Raysync Client software.
After software installation, it's recommended to add the directory of the program to the system environment
variable PATH.
Otherwise, manually modifying the wget or rayfile-c command to the full path of the program may be required.

The default location of rayfile-c command:

- Linux: /usr/local/bin/
- Mac: /Applications/Raysync.app/Contents/RaysyncClientManager.app/Contents/MacOS/
- Windows：
  - Install for all users: C:\Program Files (x86)\Raysync Client
  - Install for current user: C:\Users\CURRENT_USER\AppData\Local\Raysync Client or
    C:\Users\CURRENT_USER\AppData\Local\Programs\Raysync Client

### Download directly

File downloading is available in any folder, except pub/ncbi/.

Clicking icon buttons in "Download directly" column will start file downloading in browser.

Downloading files by this way is not recommended.