LFTP LFTP is sophisticated file transfer program with command line interface.
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LFTP Tags

HTTP file transfer FTP lftp FTP client http client

LFTP Description

LFTP is sophisticated file transfer program with command line interface. LFTP is sophisticated file transfer program with command line interface. LFTP supports FTP, HTTP, FISH, SFTP, HTTPS and FTPS protocols. GNU Readline library is used for input.Every operation in lftp is reliable, that is any non-fatal error is handled and the operation is retried automatically. So if downloading breaks, it will be restarted from the point automatically. Even if ftp server does not support REST command, lftp will try to retrieve the file from the very beginning until the file is transferred completely. This is useful for dynamic-ip machines which change their IP addresses quite often, and for sites with very bad internet connectivity.If you exit lftp when some jobs are not finished yet, lftp will move itself to nohup mode in background. The same happens when you have a real modem hangup or when you close an xterm.lftp has shell-like command syntax allowing you to launch several commands in parallel in background (&). It is also possible to group commands within () and execute them in background. All background jobs are executed in the same single process. You can bring a foreground job to background with ^Z (c-z) and back with command `wait' (or `fg' which is alias to `wait'). To list running jobs, use command `jobs'. Some commands allow redirecting their output (cat, ls, ...) to file or via pipe to external command. Commands can be executed conditionally based on termination status of previous command (&&, ||).Examples: lftp> cat file | gzip > file.gz lftp> get file & lftp> (cd /path && get file) &The first command retrieves file from ftp server and passes its contents to gzip which in turn stores compressed data to file.gz. Other commands show how to start commands or command groups in background.lftp has builtin mirror which can download or update a whole directory tree. There is also reverse mirror (mirror -R) which uploads or updates a directory tree on server.There is command `at' to launch a job at specified time in current context, command `queue' to queue commands for sequential execution for current server, and much more.LFTP supports IPv6 for both FTP and HTTP protocols. For FTP protocol it uses method described in RFC2428.Other low level stuff supported: ftp proxy, http proxy, ftp over http, opie/skey, fxp transfers, socks.If lftp was compiled with ssl support, then it includes software developed by the OpenSSL. Here are some key features of "LFTP": · FTP and HTTP protocols support. · FTP (e.g. TIS FWTK) proxy support. · HTTP proxy support. · FTP over HTTP proxy support (hftp). · HTTPS and FTPS protocols support using OpenSSL library. · Automatic OPIE/SKEY support in FTP protocol. · FXP transfers support (between two FTP servers, bypassing client machine). · FTP listings support: unix-style, NT, EPLF. · Automatic reconnect and retry of an operation on retriable errors or timeout. · IPv6 support in both FTP and HTTP. · FISH protocol support. It uses ssh with no special program on server side. · SFTP protocol v3 and v4 support. · HTTP/1.1 keep-alive support. · Experimental support for SRV DNS records. · SOCKS support (configure option). · Modification time preservation (if server can report it). · `reget' and `reput' support. · Built-in mirror and reverse mirror (mirror -R). · Transfer rate throttling for each connection and for all connections in sum. · Limit for number of connections to the same site. Interruption of background transfer to do a foreground operation when the limit is reached. · Socket options tuning: buffer size and maximum segment size. · Job queueing. · Job execution at specified time. · Comprehensive scripting support. · URL recognition in most operations. · Readline library is used for input. · Context sensitive completion. · Bash-like prompt extensions. · Launching of local shell commands. · Suspend support. · Bookmarks. · Aliases. · Saving of last directory on each site. `cd -' to go there. · Copying of files between two servers, e.g. between FTP and HTTP. · Numerous settings which can be associated with a specific server or a group. · Paging of remote files using external program. · `zcat' and `zmore' support. · Help for commands. · Command history saved in a file. · Transfer status includes rate and ETA. · File listing cache. · Background jobs (bash-like). · Job output redirection to a file or to a program via pipe. · Conditional commands depending on exit status of previous one. · Loading of binary modules at run time (configure option). · `pget' to download a file using several connections. · `mirror' can download several files in parallel (--parallel option). · Slots. Each slot is a separate session, switch using Meta-{1-9} or `slot' command. Refer to a slot site using pseudo URL slot:name. What's New in This Release: · fixed core dump on `mput -d' command. · fixed a core dump on `kill' command. · fixed mkdir -p for sftp protocol. · fixed some signed/unsigned conversion bugs.

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