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Re: write-file like function help needed

From: Kevin Rodgers
Subject: Re: write-file like function help needed
Date: Thu, 14 Dec 2006 11:12:52 -0700
User-agent: Thunderbird (Windows/20061025)

keithv wrote:
I need help writing a function that works like write-file but
first modifies the file name by locating and incrementing
any numbers in the file name. For example, if the buffer
name is "test1.txt", repeatedly invoking this function
would save files with the names "test2.txt", "test3.txt",
"test4.txt", etc.

The goal being to keep all versions of a given file.

My elisp is rusty--I know how I would do the
number locate and increment on the buffer text
but not for an arbitrary string.

Or better yet, is there a package out there
to do something similar?

,----[ C-h v version-control RET ]
| version-control is a variable defined in `files.el'.
| Its value is nil
| Documentation:
| *Control use of version numbers for backup files.
| t means make numeric backup versions unconditionally.
| nil means make them for files that have some already.
| `never' means do not make them.
| You can customize this variable.
| [back]


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