At 2009-05-06T11:44:46-04:00, Eddie Chen wrote:

> Reading the  ftp commands seems to be better, because it will exit(rc)
> if any of  "put" or "rename" failed.

Perhaps you've already looked at `lftp', http://lftp.yar.ru/

Exit codes of its commands can be used from the shell, e.g., as
follows:

% set SERVER="ftp://ftp.freebsd.org/pub/FreeBSD/";

% lftp -c "open -e 'cat README.TXT' ${SERVER}" > /dev/null && echo "OK"
OK

% lftp -c "open -e 'cat NOEXIST' ${SERVER}" || echo "FAILED"
FAILED

Further, lftp commands themselves can use the exit codes of previous
commands:

% lftp -c "open -e 'ls foo && ls misc' ${SERVER}"
ls: Access failed: 404 Not Found (foo)   

% lftp -c "open -e 'ls foo || ls misc' ${SERVER}"
ls: Access failed: 404 Not Found (foo)   
drwxr-xr-x  --  ~
drwxr-xr-x  --  ~/pub
drwxr-xr-x  --  ..
drwxr-xr-x  --  .
drwxr-xr-x            -  2007-11-02 00:00  fbsd-compat
-rw-r--r--           1k  2002-04-03 00:00  supfile

HTH,
Raghavendra.

-- 
N. Raghavendra <ra...@mri.ernet.in> | http://www.retrotexts.net/
Harish-Chandra Research Institute   | http://www.mri.ernet.in/
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