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Full Discussion: script to monitor directory
Top Forums Shell Programming and Scripting script to monitor directory Post 302227835 by otheus on Friday 22nd of August 2008 04:51:34 AM
Old 08-22-2008
nulinux,

You're spot-on about fileschanged, but it can still be used on the directory to detect when new files are starting to arrive -- that way, you don't have to "poll" the directory.

Test the upload process with lsof. See if the upload process keeps the file open. If it does, you're in luck, and you can go with that. Just write a simple script like this:

Code:
while true; do 
  test -f $DIR/$FILE || next
  echo -n `date +%s`:
  if lsof $DIR/$FILE ; then
    echo "$FILE is open";
  else
    echo "$FILE is CLOSED";
done

Run it, then upload a file. Look at the output from the script to see if it's open until closed, or open/closed, open/closed, etc. While you are uploading, perhaps suspend the upload (with CTRL-Z, or unplug the net cable) to see if long delays have any effect.
Last edited by otheus; 08-22-2008 at 05:54 AM.. Reason: wasn't finished
 

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LEARN ABOUT DEBIAN

backup-manager-upload

BACKUP-MANAGER-UPLOAD(8)				       backup-manager-upload					  BACKUP-MANAGER-UPLOAD(8)

NAME

       backup-manager-upload - Multiprotocol uploader for backup-manager.

SYNOPSIS

       backup-manager-upload [options] date

DESCRIPTION

       backup-manager-upload will upload all the archives generated on the given date to the specified host with either ftp or scp.  It's also
       possible to use this program for uploading data to an Amazon S3 account.  Some metadates are available like "today" or "yesterday".

REQUIRED ARGS

       --mode=transfer-mode
	   Select the transfer mode to use : ftp, scp, or s3.

       --host=hostname1,hostname2,...,hostnameN
	   Select a list of remote hosts to connect to.

       --user=username
	   Select the user to use for connection.

OPTIONAL ARGS

       --password=password
	   Select the ftp user's password (only needed for ftp transfers).

       --key=path_to_private_key
	   Select the ssh private key file to use when opening the ssh session for scp transfer.  Obviously, this is only needed for scp transfer
	   mode.  If you don't specify a key file, the user's default private key will be used.

       --directory=directory
	   Select the location on the remote host where files will be uploaded.  Default is /backup/uploads.

       --bucket=bucket
	   Sets the bucket name for the Amazon S3 service backup into.

       --root=directory
	   Select the local directory where files are.	Default is /var/archives

       --gpg-recipient=gpg-recipient
	   Select the gpg public key for encryptiong the archives when uploading with the method ssh-gpg. This can be a short or long key id or a
	   descriptive name. The precise syntax is described in the gpg man page.

       --list
	   Just list the files to upload.

       --ftp-purge
	   Purge the remote directory before uploading files in FTP mode.

       --s3-purge
	   Purge the remote directory before uploading files in FTP mode.

       --ssh-purge
	   Purge the remote directory before uploading files in SSH mode.

       --verbose
	   Flag to enable verbose mode.

       date
	   Date pattern to select some files to upload, can be a valid date (YYYYMMDD) or 'today' or 'yesterday'.

ERROR CODES

       If something goes wrong during an upload, backup-manager-upload will exit with a non null value. In such a case every error messages are
       sent to STDERR.

       Here are the possible error codes:

       bad command line (wrong arguments) : 10
       FTP transfer failure : 20
       SCP transfer failure : 21
       S3 transfer failure : 22
       Unknown upload method: 23

SEE ALSO

       backup-manager(3)

AUTHORS

       Alexis Sukrieh - main code and design

       Brad Dixon - Amazon S3 upload method

       Jan Metzger - ssh-gpg upload method

perl v5.14.2							    2012-05-09						  BACKUP-MANAGER-UPLOAD(8)
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