ReturnCode Checking for FTP

Wed May 6 15:44:51 UTC 2009

Gary,

    Yes I am look a retrunCode from  "put/get/reanme".
     We run and transmit very large amount of data and jobs thru out the
evening. These jobs runs under Linux and AIX.

       -  This was not an issue on the mainframe, the mainframe ftp client
support return code.

     Currently, we have two solutions,  write  script(s)  to look for "226"
and "250" and/or PERL ftp that reads ftp command.
     Reading the  ftp commands seems to be better, because it will exit(rc)
if any of  "put" or "rename" failed.

        Thanks.

                "Gary Gatten"                                              
             <Ggatten at waddell.                                             
             com>                                                       To 
                                       "Eddie Chen" <echen at nyx.com>,       
                05/06/2009             <freebsd-questions at freebsd.org>     
             11:08 AM                                                   cc 

                                                                   Subject 
                                       RE: ReturnCode Checking for FTP     

Can I assume you want return codes to know if the file was transferred
correctly?  Several years ago I was involved in architecting a
middleware app for file/data exchange.  For ftp delivery (and others)
we'd check the file size locally, put the file, then check the file size
on the remote side.  Not fool-proof, such as CRC or Hash of somekind,
but pretty good.  Use bin mode for everything.  Also, maybe as part of
the file record itself you can embed a hash and have the client check
this when processing the file on their end.

Unfortunately when using ftp you never know what the ftp server
supports, so unless you can dictate "supported" ftp servers, you can't
get too fancy.

G

-----Original Message-----
From: owner-freebsd-questions at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org] On Behalf Of Eddie Chen
Sent: Wednesday, May 06, 2009 9:24 AM
To: freebsd-questions at freebsd.org
Subject: Re: ReturnCode Checking for FTP

Lowell,

         On my AIX and Linux system we don't have fetch installed. I
Googled  "fetch", can't found the download  URL for "fetch".
   It seems "fetch(1)" will get file(s)... We mostly push the file(s) to
the clients.  Thanks.

                Lowell Gilbert

             <freebsd-question

             s-local at be-well.i
To
             lk.org>                   freebsd-questions at freebsd.org

cc
                05/05/2009             Eddie Chen <echen at nyx.com>

             08:56 PM
Subject
                                       Re: ReturnCode Checking for FTP

             Please respond to

             freebsd-questions

               @freebsd.org

Eddie Chen <echen at nyx.com> writes:

>    I am looking for a FTP clients that exit with a return code.
>
>    However, last week I download the tnftp and started implementing
it.
>    It's actually trivial to implement this feature.
>
>    If this works, do you think it should be part of the ftp client.

I've never used return codes with ftp(1),
but I have used them with fetch(1), which
is also part of the base system.

Have you tried fetch?  If it doesn't meet
your needs, can you explain why?

--
Lowell Gilbert, embedded/networking software engineer, Boston area
                         http://be-well.ilk.org/~lowell/

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