backup suffix used with the --backup (-b) option. The default suffix is a ~
if no --backup-dir was specified, otherwise it is an empty string.
-dit(bf(-u, --update)) This forces rsync to skip any files for which the
-destination file already exists and has a date later than the source
-file.
+dit(bf(-u, --update)) This forces rsync to skip any files which exist on
+the destination and have a modified time that is newer than the source
+file. (If an existing destination file has a modify time equal to the
+source file's, it will be updated if the sizes are different.)
-In the currently implementation, a difference of file format is always
+In the current implementation of --update, a difference of file format
+between the sender and receiver is always
considered to be important enough for an update, no matter what date
is on the objects. In other words, if the source has a directory or a
symlink where the destination has a file, the transfer would occur
data over the wire and data being matched locally), and the estimated time
remaining in this transfer.
-After the a file is complete, it the data looks like this:
+After a file is complete, the data looks like this:
verb(
1238099 100% 146.38kB/s 0:00:08 (5, 57.1% of 396)