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Chapter 12 – FTP Client

Command Line Interface and Application Examples for Multi-Tech Systems, Inc. IP Modules (S000368F) 133

Scenario 17 – Appending to a File in the FTP

Server

• With Automatic Authentication enabled by specifying all authentication details: IP address of the device, valid

• Data connection in ACTIVE mode.

• User can specify the file name and file size in the command line using the -n and -s options respectively.

Command line parameters are given higher preference and hence this overrides the configuration for default

file name and size

ftp -a -n <file-name> <ip-address/hostname> OR

ftp -a -s <filesize> <ip-address/hostname> OR

ftp -a -n <file-name> -s <filesize> <ip-address/hostname

Notes:

1. If either filename or filesize are not configured, IP module prompts for that parameter.

2. User can write to a specific directory in the remote host by giving the pathname in the <file-name>

parameter in the command line.

Description

The IP module establishes a control connection, automatically checks for the configured

values, and logs into the FTP server. If successfully logged in, it sends a message and

prompts for data as shown here:

Connected

Enter data. Enter Ctrl+CDZ with 3 seconds delay to abort session

------ File Transfer ----

To abort FTP session: Hold down the Ctrl key and type letters CDZ all in row with no spaces.

When the specified filesize is reached, the FTP session responds with the OK message.

By default the data connection is in active mode. The client sets the data transfer mode as

‘BINARY/IMAGE’ during the file transfer.

If the –m option is specified, it prompts the user for the next transaction or to quit. If the user

selects to do another transaction, then he is prompted to enter the Filename again. In this

case, the filename entered for the previous transaction will not be considered. The user

should specify the whole path. The directory specified using “Set ftp directory xxx” or the

filename specified using “set ftp filename xxx” or filesize specified using “set ftp filesize xxx”

will not be considered.

Note: If '-p' is specified in the command, the data connection will be in passive mode.

Configuration

set ftp machine <ip-address/host-name> login <user-name> password <passwd> account

Command

ftp -a [-d <directory>] [-n <filename>] [-s <filesize>] [-p] [-m] <ip-address/host-name>

Result Response

OK: FTP session closed

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Multitech MultiConnect Adapter Guía de usuario Pagina 133