How to download files from FTP site in one command line without user interaction (Windows)

Try this: Batch files - Unattended FTP downloads

WGET ftp://ftp.mydomain.com/path/file.ext  

for anonymous downloads

or:

WGET ftp://user:[email protected]/path/file.ext  

when authentication is required.

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As @XavierStuvw pointed out via edits and comments, swapping WGET to a lowercase wget would work in linux.

wget ftp://user:[email protected]/path/file.ext

I found the way:

echo open 192.168.0.1 >> ftp &echo user admin w00t >> ftp &echo binary >> ftp &echo get file.zip >> ftp &echo bye >> ftp &ftp -n -v -s:ftp &del ftp

Note that you can ask for the syntax of a command in DOS by using the /? switch. For example:

C:\>ftp /?

Transfers files to and from a computer running an FTP server service
(sometimes called a daemon). Ftp can be used interactively.

FTP [-v] [-d] [-i] [-n] [-g] [-s:filename] [-a] [-A] [-x:sendbuffer] [-r:recvbuf
fer] [-b:asyncbuffers] [-w:windowsize] [host]

  -v              Suppresses display of remote server responses.
  -n              Suppresses auto-login upon initial connection.
  -i              Turns off interactive prompting during multiple file
                  transfers.
  -d              Enables debugging.
  -g              Disables filename globbing (see GLOB command).
  -s:filename     Specifies a text file containing FTP commands; the
                  commands will automatically run after FTP starts.
  -a              Use any local interface when binding data connection.
  -A              login as anonymous.
  -x:send sockbuf Overrides the default SO_SNDBUF size of 8192.
  -r:recv sockbuf Overrides the default SO_RCVBUF size of 8192.
  -b:async count  Overrides the default async count of 3
  -w:windowsize   Overrides the default transfer buffer size of 65535.
  host            Specifies the host name or IP address of the remote
                  host to connect to.

Notes:
  - mget and mput commands take y/n/q for yes/no/quit.
  - Use Control-C to abort commands.

In your case, you'll want to use the -s switch to feed it a script, including the login responses.

For example:

1. Create a script file (c:\scriptfile.txt) with the following contents:

   open
   servername_or_ip
   username
   password
   get
   /fullpath/thefile.txt
   c:\fullpath\thefile.txt
   quit
   

2. execute ftp with the -s switch and specify the script filename

   C:\>ftp -s:c:\scriptfile.txt