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Full Discussion: How to check a file whether it is in binay mode or not while doing ftp??
Top Forums Shell Programming and Scripting How to check a file whether it is in binay mode or not while doing ftp?? Post 302162883 by Lakris on Wednesday 30th of January 2008 01:50:41 PM
Old 01-30-2008
Just a comment,
I think it's a bad habit of most ftp-implementations to default to converting data between systems, ie ASCII transfer. I would rather always transfer the data in binary, exactly, or at least as closely as possible, as it is represented on "the other" system, and make the conversion myself. I know what it looks like on one system and and I know how I want it on another. It is better to control it Yourself than letting someone else (the ftp-client) to convert it the way it thinks it should be, because that may differ between clients and methods.
I think You will find that binary mode transfers don't add or change anything in Your data. It is ASCII-mode that usually converts line breaks, character sets between platforms, etc.

Then again, ASCII may be the way You want it or expect it...

file is a command to check the type of file, it may not always be completely accurate. The FTP-definition of binary is not shared by all...

and as jim pointed out, running it through dos2unix, shouldn't hurt, as long as it's "text" data, it could actually wreak havoc in some data files, such as xml CDATA, or sql with "binary" BLOBS.

/Lakris
 

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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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