diff options
Diffstat (limited to 'doc/coreutils.texi')
| -rw-r--r-- | doc/coreutils.texi | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 7852e9f8a..2188922c6 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -9236,9 +9236,9 @@ results in an error message on systems that do not support symbolic links. @optNoTargetDirectory @item -u -@itemx --update +@itemx --update[=@var{which}] @opindex -u -@opindex --update +@opindex --update[=@var{which}] @cindex newer files, copying only Do not copy a non-directory that has an existing destination with the same or newer modification timestamp; instead, silently skip the file @@ -9254,6 +9254,26 @@ for example), that will take precedence; consequently, depending on the order that files are processed from the source, newer files in the destination may be replaced, to mirror hard links in the source. +@macro whichUpdate +@var{which} gives more control over which existing files in the +destination are replaced, and its value can be one of the following: + +@table @samp +@item all +This is the default operation when an @option{--update} option is not specified, +and results in all existing files in the destination being replaced. + +@item none +This is similar to the @option{--no-clobber} option, in that no files in the +destination are replaced, but also skipping a file does not induce a failure. + +@item older +This is the default operation when @option{--update} is specified, and results +in files being replaced if they're older than the corresponding source file. +@end table +@end macro +@whichUpdate + @item -v @itemx --verbose @opindex -v @@ -10165,6 +10185,8 @@ of its permissions, and fail if the response is not affirmative. Do not overwrite an existing file; silently fail instead. @mvOptsIfn This option is mutually exclusive with @option{-b} or @option{--backup} option. +See also the @option{--update=none} option which will +skip existing files but not fail. @item --no-copy @opindex --no-copy @@ -10188,6 +10210,8 @@ same source and destination. This option is ignored if the @option{-n} or @option{--no-clobber} option is also specified. +@whichUpdate + @item -v @itemx --verbose @opindex -v |