Re: change paragraphs to long lines

try

sed -r '/^$/!{:a;N;/\n$/b;s|\n| |;ba}'



On 05/11/13 07:36, George Georgalis wrote:
>
>
> Hello sed list, hope you are all well.
>
> Long time subscriber but I've not been following lately, hope this
> hasn't come up recently.
>
> I have a file with double returns to denote paragraphs. I'd like to
> retain the double returns but join all the other lines, so paragraphs
> have long lines.
>
>
> so this:
> one two three one two three one two three one
> two three one two three one two three one two
> three one two three one two three one two
>
> one two three one two three one two three one
> two three one two three one two three one two
> three one two three one two three one two
>
> changes to this:
> one two three one two three one two three one two three one two three
> one two three one two three one two three one two three one two
>
> one two three one two three one two three one two three one two three
> one two three one two three one two three one two three one two
>
> Maybe this solution would good for the sed1line file?
>
> Regards,
> -George
>
>
> -- 
> George Georgalis, (415) 894-2710, http://www.galis.org/
>
>
>