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Man Pages


Manual Reference Pages  -  UTFTP (1)

NAME

utftp - a simple TFTP client

CONTENTS

Synopsis
Description
Options
Exitcodes

SYNOPSIS

utftp [options] SERVER[:PORT] remote-file-name [local-file-name]

DESCRIPTION

utftp sends and receives files with the TFTP protocol.

The default is to receive files. To change that use the --put option, or rename the program so that it’s name contains the three characters put (or create a link: ln utftp utftp-put).

OPTIONS

-b SIZE, --blocksize SIZE
  try to use blocks of SIZE size instead of 512. Size may be between 512 and 65464, but i don’t believe something larger then 32768 will work (aside from that it wouldn’t be that useful). Depending on you system you may not be able do get anything transfered with blocksizes as low a 4096.

Common UNIX tftp servers ignore all options. In that case 512 will be used, regardless of your wishes.

Note: this client is not intended for real use now. It logs all errors through syslogd, and it’s interface is rather ugly. But you might find it useful anyway: it knows about the blocksize option.

-g, --get
  get a file from the server.

-n, --netascii
  Use netascii conversion (this doesn’t hurt, except for performance, and is not really useful).

-p, --put
  put a file on the server.

-t TIMEOUT, --timeout TIMEOUT
  use a timeout (for retries) of TIMEOUT seconds instead of 5. TIMEOUT must be between 1 and 255 inclusively.

utftp will send an timeout option to the server (to make it use the same timeout value), but common UNIX tftp servers ignore all options, in which case the server will still use a timeout of 5 seconds (usually).

In case i screwed something up: short options use the same arguments as the long ones

EXITCODES

utftp will exit using one of the following exit codes:
0 OK, action completed as requested.
1 local error (out of memory, can’t create/read file, and so on)
2 usage error.
3 timed out.
4 communication problem (TFTP protocol error).
5 network problem.
6 received some kind of error (like access denied).
7 undefined.

SEE ALSO

RFC 1350, RFC 2349, RFC 2348.
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