Re: vim: format each long lines and insert just one break afterward

On 5/18/2013 5:33 PM, Gary Johnson wrote:
> On 2013-05-18, ping wrote:
>> tested long time no good results...
>>
>> so the goal here sounds simple: say I have
>>
>> * a long text file (over 50K lines), and
>> * each line by itself is a nature paragraph, so sometime is very long
>> (over 1000 charactors).
>> * there are sometimes one of more empty line in between, sometimes not
>>
>> I wanted to format it into:
>>
>> 1. if 2 lines are adjoining, add an empty line to as a break
>> 2. if 2 lines already have more than 1 empty lines in between, remove
>> the extra and make sure only one empty line left.
> This is equivalent to replacing a sequence of one or more newlines
> with two newlines.
>
> :%s/\n\+/\r\r/
>
>> 3. trunk the long lines to multiple lines with each of 80 charactors
> :set tw=80
> gggqG
>
> Regards,
> Gary
>

Gary , thanks (again)!
I got it worked in these steps finally (sequence MATTERS):

1) :'<,'>g/.*/exec "normal! o\<esc>"
unconditionally insert a new line after each line (this may bring a lot
of empty lines , if the original book already contains empty lines)

2) format all each line seperately.
:'<,'>g/.*/exec "normal! gqq"
this is different than gggqG (this will mess up everything :D )

3) :'<,'>s/^\s*\n\n\+/\r/gc
use your method, delete all extra empty lines


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