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| -rw-r--r-- | rsyncsh.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/rsyncsh.txt b/rsyncsh.txt new file mode 100644 index 0000000..93932dc --- /dev/null +++ b/rsyncsh.txt @@ -0,0 +1,26 @@ +rsyncsh +Copyright (C) 2001 by Martin Pool + +This is a quick hack to build an interactive shell around rsync, the +same way we have the ftp, lftp and ncftp programs for the FTP +protocol. The key application for this is connecting to a public +rsync server, such as rsync.kernel.org, change down through and list +directories, and finally pull down the file you want. + +rsync is somewhat ill-at-ease as an interactive operation, since every +network connection is used to carry out exactly one operation. rsync +kind of "forks across the network" passing the options and filenames +to operate upon, and the connection is closed when the transfer is +complete. (This might be fixed in the future, either by adapting the +current protocol to allow chained operations over a single socket, or +by writing a new protocol that better supports interactive use.) + +So, rsyncsh runs a new rsync command and opens a new socket for every +(network-based) command you type. + +This has two consequences. Firstly, there is more command latency +than is really desirable. More seriously, if the connection cannot be +done automatically, because for example it uses SSH with a password, +then you will need to enter the password every time. We might even +fix this in the future, though, by having a way to automatically feed +the password to SSH if it's entered once. |