Re: something unclear with sed for me
On Wed, May 11, 2005 at 03:01:47PM +0300, Andras Lorincz wrote:
> I want to replaces all multiple spaces with one space. My first
> attempt was this:
>
> sed -e 's/\ */\ /g'
The asterisk means zero or more, so it matches evven if there are
no spaces.
>
> This replaced all multiple spaces with one but as a side effect, sed
> inserted a space between all characters. Playing a little I tried
> this:
>
> sed -e 's/[\ ]\ */\ /g'
>
> and this works. The fact is that I don't understand why the first one
> doesn't work. Can someone explain me that?
>
--
David Jardine
"Running Debian GNU/Linux and
loving every minute of it." -L. von Sacher-M.(1835-1895)
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