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Full Discussion: Script FTP maintain error handling
Top Forums Shell Programming and Scripting Script FTP maintain error handling Post 302899213 by rbatte1 on Monday 28th of April 2014 05:29:19 AM
Old 04-28-2014
Typically, ftp will issue you an error if there is a problem with the ftp command execution itself, but I presume you want error handling for the actual file transfers. That gives you a slight problem, but if you can put on a -v flag, then hopefully the output will be studded with three digit response codes.

Those below 400 are normal successful execution, those 400 & above are errors.

If you capture all the output into a file, you can search that file for errors. These will be lines starting 400 or higher, along with anything saying any of the following
  • Not connected
  • cannot access
  • not found
  • No such file
However, you will have to exclude the success output from a good transfer that just happens to have a few hundred bytes, e.g.:-499 bytes sent is not an error.

The way we do it is to have a list of questionable items to search for and then a list of exclusions from that list. We pass the output through both tests and then we can work out whether we've done it or not. Probably best to move one file at a time too if you can. If you have lots to move, just call them in a loop and you immediately have more information about which one has failed.



Have a go an let us know how you get on.



I hope that this helps,
Robin
Liverpool/Blackburn
UK
 

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LEARN ABOUT DEBIAN

svscanboot

svscanboot(8)						      System Manager's Manual						     svscanboot(8)

NAME

       svscanboot - starts svscan(8) in the /service directory, with output and error messages logged through readproctitle(8).

       svscanboot is available in daemontools 0.75 and above.

SYNOPSIS

       svscanboot

DESCRIPTION

       svscanboot runs the pipeline

       svscan /service 2>&1 | readproctitle service errors: .....

       with 400 dots. The last 400 bytes of error messages from svscan(8) will be visible to ps(1) through readproctitle(8).

       svscanboot sets $PATH to

	/command:/usr/local/bin:/usr/local/sbin:
	/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin

       (all in one line, no space)

       and clears all other environment variables. Program writers are encouraged to use globally allocated names in /command.

SEE ALSO

       supervise(8),  svc(8),  svok(8),  svstat(8),  svscan(8),  readproctitle(8), fghack(8), pgrphack(8), multilog(8), tai64n(8), tai64nlocal(8),
       setuidgid(8), envuidgid(8), envdir(8), softlimit(8), setlock(8), ps(1)

	http://cr.yp.to/daemontools.html
	http://cr.yp.to/slashcommand.html

																     svscanboot(8)
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