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19 November 2010LFTP is a more robust FTP client than just plain FTP or cURL. Unlike those clients, it retries a few times when transmission fails, has mirroring features, and supports simultaneous multi-file transfers, recursion, and Regular-Expression matches. Speed, from what I've experienced, is identical.
lftp -e 'put /local/path/yourfile.mp4; bye' -u user,password ftp.foo.com
Like all FTP clients, LFTP correctly uses Passive mode by default. Passive is newer than Active. It was designed to solve the problems with Active, and will go through the greatest array of firewalls without incident. [Never use Active.]
LFTP will keep trying forever I believe, so it's wise to specify a timeout, especially if you are scripting this. In this example, timeout is 10 seconds:
lftp -e 'set net:timeout 10; put /local/path/yourfile.mp4; bye' -u user,password ftp.foo.com
Active mode won't go through your firewall:
lftp -e 'set ftp:passive-mode false; set net:timeout 10; put /local/path/yourfile.mp4; bye' -u user,password ftp.foo.com
Uses Binary mode by default:
lftp -e 'set net:timeout 10; get yourfile.mp4; bye' -u user,password ftp.foo.com
If you need to put it in a specific local directory:
lftp -e 'set net:timeout 10; get yourfile.mp4 -o /local/path/yourfile.mp4; bye' -u user,password ftp.foo.com
When using the
mirror command, LFTP is recursive by default.
Mirror everything from the
/local/path to the root of the remote FTP site, including
all subdirectories and their files. The -R switch means "reverse mirror" which means "put" [upload].
Remote path is simply
/, the root.
lftp -e 'mirror -R /local/path/ /' -u user,password ftp.foo.com
To mirror remote to local, just omit the
-R param and swap remote path with local. Be
careful with this. Don't overwrite your local changes.
lftp -e 'mirror / /local/path/' -u user,password ftp.foo.com
Only include certain file types. Mirror everything in the
/local/path recursively, but
only transfer files that end with
lftp -e 'mirror -R -i "\.(html?|css|js)$" /local/path/ /' -u user,password ftp.foo.com
Deploy only root-level files, not the entire directory tree. The
-r switch disables
lftp -e 'mirror -R -r -i "\.(html?|css|js)$" /local/path/ /' -u user,password ftp.foo.com
Special characters in your username or password must be escaped with backslashes:
lftp -e 'put /local/path/yourfile.mp4; bye' -u user,password\!\! ftp.foo.com
IMO, FTP is not the right protocol for Internet file transfer of any kind. But, unfortunately, it is in place everywhere so you do find yourself stuck with it as the only option from time to time. [SFTP is the right protocol.]
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