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Re: Add +2 to all numbers in file
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From: |
Katsumi Yamaoka |
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Subject: |
Re: Add +2 to all numbers in file |
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Date: |
Fri, 27 Feb 2009 17:32:22 +0900 |
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User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.91 (gnu/linux) |
>>>>> sharky wrote:
> I have a file with a lot of numbers. It looks like this:
> xx, xx, xx--xx, xx, xx, x
> xx, x, xx--xx, xx--xx, x
> xx, xx
> xx, xx, xx--xx, xx--xx, xx--xx
> You get the picture. Can I make emacs add 2 to each and everyone of
> these numbers?
> Please help!
Try `M-x all+2 RET':
(defun all+2 ()
(interactive "*")
(save-excursion
(goto-char (point-min))
(while (re-search-forward "[0-9]+" nil t)
(replace-match (number-to-string
(+ 2 (string-to-number (match-string 0))))))))