Re: arithemtic in buffers

[David Kastrup]

"Drew Adams" <drew.adams@oracle.com> writes:

>     I need to increase the value of the last digit on each line by one. Is
>     there an automagic way to do this via emacs? Do I use regular
>     expressions, M-x calculator, both, or something else to do it? Any
>     help would be much appreciated
>     
> http://www.emacswiki.org/cgi-bin/wiki/ReplaceCount
>
> http://www.emacswiki.org/cgi-bin/wiki/IncrementNumber
>
> http://www.emacswiki.org/cgi-bin/wiki/NumbersInRegisters
>
> http://www.emacswiki.org/cgi-bin/wiki/EmacsKeyboardMacroCounter
>
> http://www.emacswiki.org/cgi-bin/wiki/KeyboardMacrosTricks
>
> How did I find those pages? Searched for "increment". HTH

Personally, I have a preference for using \, in a regexp replacement,
like

C-M-% [0-9]$ RET \,(1+ \#&) RET

Of course, this is glossing over the fact that there is no good way to
increase a 9.

And it requires a developer version of Emacs.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum