Question

6

I have a machine with only sftp access. No ssh, no shell, no rsync. When I get a file using /usr/bin/sftp, can I make it resume an aborted transfer?

asked May 26, 2013 at 8:12

Answer 1

3

I use lftp to auto sync all my photos from my NAS to my cheap webserver. If ever a photo changes it will automatically update it.

#!/bin/ash
SOURCE=/volume2/PHOTO/2011
BACKUPDIR=/foto.whatever.com/albums/2011

lftp -u username,password ftp.whatever.com << EOF
mirror -R -n -I *.jpg -I *.JPG -X @eaDir/ -X Collage/ -X ‘whatever/’ -X .piccache/ -X .recent/ -X Originals/ -X *.Db $SOURCE $BACKUPDIR
quit

answered May 26, 2013 at 9:48

1

Answer 2

9

You can use the option -a in the get command in sftp to resume a previously aborted download.

Example:

echo -e "lcd ~/localFolder\nget -ar *" | sftp username@host.com:/some/path

Alternatively written as

sftp username@host.com:/some/path <<EOF
lcd ~/localFolder
get -ar *
EOF

However this does not automatically reconnect to the server should the connection be interrupted. lftp is the better alternative for this problem.

answered Nov 28, 2017 at 12:58

1

Answer 3

7

Current-day sftp supports the reget command to resume a download that was interrupted halfway.

answered Apr 29, 2018 at 19:41

1

Answer 4

1

I just found the lftp program, and it supports get -c for resuming a download. If sftp can't do that, I think I'll stick with lftp.

answered May 26, 2013 at 8:19

Answer 5

1

One liner with password-less ssh access looks as follows:

echo get -ar /file/path/file.data | sftp login@server

answered Jul 11, 2021 at 15:57

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