Re: multiple values single key vim script

On 11/09/12 00:21, vicky b wrote:
> HI ,
>
> I have the file which has key value pair, for single key there are four
> entries i want align all the values hoirzontall
>
> file contains
>
> alert_pref_email Nh?n các c?nh báo thông qua th? ?i?n t?
> alert_pref_email Receive the Alerts through Email
> alert_pref_email Terima informasi penting melalui Email
> alert_pref_email ??????????????????????????
> alert_pref_email Nh?n các c?nh báo thông qua th? ?i?n t?
>
> output i would like to have like this
>
> alert_pref_email Nh?n các c?nh báo thông qua th? ?i?n t? Receive the
> Alerts through Email Terima informasi penting Nh?n các c?nh báo thông qua
> th? ?i?n t?

If the lines are sorted/adjacent in the file, you can use

:%s/^\(\S\+\)\(\s.*\)\n\1\s\+/\1\2 /

(you might have to run it multiple times since it will halve
adjacent matches). Alternatively, you should be able to use

:%s/\%(\1\s.*\)\@<=\zs\n\(\S\+\)\>/

which seems to do them all in one pass. (In doing this one, I
learned that back-references *can* come before the capturing-group
as long as it's a perl-like "and this other atom must match before
here"; normally referencing \1 before capturing gets you an "E65:
Illegal back reference" error)

-tim



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