substitute on odd lines only

I want to perform a substitute command on odd lines only.
Is there some some "range" for this like sed 1~2 in vim?
Else do you know a better solution than
:%!sed '1~2s/pattern/replace/'
?
(not so complicated after all)

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On 07/30/2011 05:22 AM, [hidden email] wrote:
> I want to perform a substitute command on odd lines only.
> Is there some some "range" for this like sed 1~2 in vim?
> Else do you know a better solution than
> :%!sed '1~2s/pattern/replace/'

Not natively, but it's easy to do something of the sort:

  :g/^/if line('.')%2|s/foo/bar/g|endif

You can tweak the test for even lines:

  :g/^/if !(line('.')%2)|s/foo/bar/g|endif

or for every 3rd line (or Nth):

  :g/^/if !(line('.')%3)|s/foo/bar/g|endif

-tim



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It works fine.
I never thought of using | after :g/pattern/
Thank you.

Le 30/07 - 06:29, Tim Chase wrote :
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On Jul 30, 7:06 am, [hidden email] wrote:
> It works fine.
> I never thought of using | after :g/pattern/
> Thank you.
>

Actually, you're using the | after the "if". :g is one of the commands
that treats | as part of its argument.

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