/[emacs]/emacs/man/dired.texi
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revision 1.37 by teirllm, Tue Apr 5 00:11:11 2005 UTC revision 1.38 by rms, Tue Apr 26 10:47:03 2005 UTC
# Line 1161  if in a subdirectory.)  As a special cas Line 1161  if in a subdirectory.)  As a special cas
1161  headerline, @kbd{w} gives you the absolute name of that directory.  headerline, @kbd{w} gives you the absolute name of that directory.
1162  Any prefix argument or marked files are ignored in this case.  Any prefix argument or marked files are ignored in this case.
1163    
1164    @findex dired-compare-directories
1165      The command @kbd{M-x dired-compare-directories} is used to compare
1166    the current Dired buffer with another directory.  It marks all the files
1167    that are ``different'' between the two directories.  It puts these marks
1168    in all Dired buffers where these files are listed, which of course includes
1169    the current buffer.
1170    
1171      The default comparison method (used if you type @key{RET} at the
1172    prompt) is to compare just the file names---each file name that does
1173    not appear in the other directory is ``different''.  You can specify
1174    more stringent comparisons by entering a Lisp expression, which can
1175    refer to the variables @code{size1} and @code{size2}, the respective
1176    file sizes; @code{mtime1} and @code{mtime2}, the last modification
1177    times in seconds, as floating point numers; and @code{fa1} and
1178    @code{fa2}, the respective file attribute lists (as returned by the
1179    function @code{file-attributes}).  This expression is evaluated for
1180    each pair of like-named files, and if the expression's value is
1181    non-@code{nil}, those files are considered ``different''.
1182    
1183      For instance, @code{M-x dired-compare-directories @key{RET} (>
1184    mtime1 mtime2) @key{RET}} marks files newer in this directory than in
1185    the other, and marks files older in the other directory than in this
1186    one.  It also marks files with no counterpart, in both directories, as
1187    always.
1188    
1189    @cindex drag and drop, Dired
1190    On the X window system, Emacs supports the ``drag and drop''    On the X window system, Emacs supports the ``drag and drop''
1191  protocol.  You can drag a file object from another program, and drop  protocol.  You can drag a file object from another program, and drop
1192  it onto a Dired buffer; this either moves, copies, or creates a link  it onto a Dired buffer; this either moves, copies, or creates a link

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