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clone : Create a duplicate clone of the current buffer.

 script karma  Rating 6/3, Downloaded by 578    Comments, bugs, improvements  Vim wiki

created by
Ingo Karkat
script type
Often, it is efficient to base a new file (e.g. unit test, meeting minutes) on
an existing one, and just apply the changes instead of re-creating the entire
file. In Vim, one can create a duplicate copy of the current buffer via
:write {newfile} or :saveas {newfile}. But the former doesn't
automatically open the cloned file, whereas with the latter, you're losing the
buffer containing the original file. Also, the identical clone is immediately
persisted, which may confuse automated build tools (or yourself, should you
get interrupted and forget to make the actual modifications). Transferring the
buffer contents via :yank is also cumbersome and clobbers a register.

This plugin offers a :CloneAs command that duplicates the current buffer (or
only parts of it) without persisting the clone right away (only on :w), and
keeping the original buffer loaded and unmodified inside Vim (with
:SCloneAs, it'll even be kept displayed in a window).

Oftentimes, duplication in source code is a code smell. Please use this plugin
responsibly ;-)

The cloneSimilar.vim plugin (vimscript #4897) adds additional command
variants powered by the EditSimilar.vim (vimscript #2544) plugin.

:[range]CloneAs {file}  Duplicate and edit the current buffer / specified
                        lines with a new name, keep the existing one.
:[range]SCloneAs {file} Duplicate and split the current buffer / specified
                        lines with a new name, keep the existing one.

                        The original cursor position / window view will be
                        kept, as well as the 'fileformat', 'fileencoding' and
                        'filetype' settings of the original buffer.
install details
This script is packaged as a vimball. If you have the "gunzip" decompressor
in your PATH, simply edit the *.vmb.gz package in Vim; otherwise, decompress
the archive first, e.g. using WinZip. Inside Vim, install by sourcing the
vimball or via the :UseVimball command.
    vim clone*.vmb.gz
    :so %
To uninstall, use the :RmVimball command.

- Requires Vim 7.0 or higher.
- Requires the ingo-library.vim plugin (vimscript #4433), version 1.019 or

For a permanent configuration, put the following commands into your vimrc:

The :SCloneAs command uses the default 'splitbelow' behavior; you can
influence this via:
    let g:clone_splitmode = 'belowright'

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script versions (upload new version)

Click on the package to download.

package script version date Vim version user release notes
clone-1.02.vmb.gz 1.02 2014-06-19 7.0 Ingo Karkat - Avoid setting 'filetype' when it already has the value of the original buffer, because even that triggers FileType autocmds, and may result in disturbing duplicate messages.
- Also handle unreadable files (and directories). *** You need to update to ingo-library (vimscript #4433) version 1.019! ***
clone-1.01.vmb.gz 1.01 2014-04-25 7.0 Ingo Karkat - Allow cloning into unloaded buffer.
- Suppress BufNewFile event, and instead emit the more appropriate BufRead event for the clone buffer.
clone-1.00.vmb.gz 1.00 2014-03-18 7.0 Ingo Karkat Initial upload
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