rsync#

经典的备份命令:

$ rsync -av -r -d --delete SRC DEST
–archive, -a

Archive mode

–verbose, -v

Increase verbosity

–recursive, -r

Recurse into directories

–dirs, -d

Transfer directories without recursing

–delete

Delete extraneous files from dest dirs

关于 -r-d 的区别,rsync(1) 如是说:

Tell the sending side to include any directories that are encountered. Unlike --recursive, a directory’s contents are not copied unless the directory name specified is “.” or ends with a trailing slash (e.g. “.”, “dir/.”, “dir/”, etc.). Without this option or the --recursive option, rsync will skip all directories it encounters (and output a message to that effect for each one). If you specify both --dirs and --recursive, --recursive takes precedence.

并没有看懂……

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