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50 lines
2.3 KiB
Text
50 lines
2.3 KiB
Text
@c This is part of the Emacs manual.
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@c Copyright (C) 2004--2021 Free Software Foundation, Inc.
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@c See file emacs.texi for copying conditions.
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@c
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@c This file is included either in emacs-xtra.texi (when producing the
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@c printed version) or in the main Emacs manual (for the on-line version).
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@node Subdir Switches
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@section Subdirectory Switches in Dired
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You can insert subdirectories with specified @command{ls} switches in
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Dired buffers using @kbd{C-u i}. You can change the @command{ls}
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switches of an already inserted subdirectory at point using @kbd{C-u l}.
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Dired preserves the switches if you revert the buffer. Deleting a
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subdirectory forgets about its switches.
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Using @code{dired-undo}
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@iftex
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(@pxref{Marks vs Flags,,, emacs, the Emacs Manual})
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@end iftex
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@ifnottex
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(@pxref{Marks vs Flags})
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@end ifnottex
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to reinsert or delete
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subdirectories that were inserted with explicit switches can bypass
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Dired's machinery for remembering (or forgetting) switches. Deleting
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a subdirectory using @code{dired-undo} does not forget its switches.
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When later reinserted using @kbd{i}, it will be reinserted using its
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old switches. Using @code{dired-undo} to reinsert a subdirectory that
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was deleted using the regular Dired commands (not @code{dired-undo})
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will originally insert it with its old switches. Reverting the
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buffer, however, will relist it using the buffer's default switches.
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If any of this yields problems, you can easily correct the situation
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using @kbd{C-u i} or @kbd{C-u l}.
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Dired does not remember the @code{R} switch. Inserting a subdirectory
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with switches that include the @code{R} switch is equivalent to
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inserting each of its subdirectories using all remaining switches.
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For instance, updating or killing a subdirectory that was inserted
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with the @code{R} switch will not update or kill its subdirectories.
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The buffer's default switches do not affect subdirectories that were
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inserted using explicitly specified switches. In particular,
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commands such as @kbd{s} that change the buffer's switches do not
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affect such subdirectories. (They do, however, affect subdirectories
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without explicitly assigned switches.)
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You can make Dired forget about all subdirectory switches and relist
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all subdirectories with the buffer's default switches using
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@kbd{M-x dired-reset-subdir-switches}. This also reverts the Dired buffer.
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