06-12-2009
Try using ftp "dir" to find out if the files already exist.
1) Create list of target filenames.
2) Use ftp to "dir" each filename and save the output to a workfile.
This can be done in one ftp run with a "dir" for each filename.
3) Read back the original list and eliminate files not marked "not found" in the workfile to create the final transfer list.
If all the files are going to the same directory you can just run ftp "dir" once to get a positive list of files which already exist, then use this to eliminate files from the original list.
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LEARN ABOUT DEBIAN
bup-ftp
bup-ftp(1) General Commands Manual bup-ftp(1)
NAME
bup-ftp - ftp-like client for navigating bup repositories
SYNOPSIS
bup ftp
DESCRIPTION
bup ftp is a command-line tool for navigating bup repositories. It has commands similar to the Unix ftp(1) command. The file hierarchy is
the same as that shown by bup-fuse(1) and bup-ls(1).
Note: if your system has the python-readline library installed, you can use the <tab> key to complete filenames while navigating your
backup data. This will save you a lot of typing.
COMMANDS
The following commands are available inside bup ftp:
ls [-s] [-a] [path]
print the contents of a directory. If no path argument is given, the current directory's contents are listed. If -a is given, also
include hidden files (files which start with a . character). If -s is given, each file is displayed with its hash from the bup ar-
chive to its left.
cd dirname
change to a different working directory
pwd print the path of the current working directory
cat filenames...
print the contents of one or more files to stdout
get filename localname
download the contents of filename and save it to disk as localname. If localname is omitted, uses filename as the local name.
mget filenames...
download the contents of the given filenames and stores them to disk under the same names. The filenames may contain Unix filename
globs (*, ?, etc.)
help print a list of available commands
quit exit the bup ftp client
EXAMPLE
$ bup ftp
bup> ls
mybackup/ yourbackup/
bup> cd mybackup/
bup> ls
2010-02-05-185507@ 2010-02-05-185508@ latest@
bup> cd latest/
bup> ls
(...etc...)
bup> get myfile
Saving 'myfile'
bup> quit
SEE ALSO
bup-fuse(1), bup-ls(1), bup-save(1), bup-restore(1)
BUP
Part of the bup(1) suite.
AUTHORS
Avery Pennarun <apenwarr@gmail.com>.
Bup unknown- bup-ftp(1)