Hi Kunal!
On Di, 13 Apr 2010, Kunal Bajpai wrote:
> Here is what I want to achieve:
>
> I have to insert a text after every 3 line a string.
>
> e.g.
> Original Text -
> Line01some-text some-text some-text some-text some-text
> Line02some-text some-text some-text some-text some-text
> Line03some-text some-text some-text some-text some-text
> Line04some-text some-text some-text some-text some-text
> Line05some-text some-text some-text some-text some-text
> Line06some-text some-text some-text some-text some-text
> Line07some-text some-text some-text some-text some-text
> Line08some-text some-text some-text some-text some-text
> Line09some-text some-text some-text some-text some-text
> Line10some-text some-text some-text some-text some-text
> Line11some-text some-text some-text some-text some-text
> Line12some-text some-text some-text some-text some-text
>
> Edited Text -
>
> Line01some-text some-text some-text some-text some-text
> Line02some-text some-text some-text some-text some-text
> Line03some-text some-text some-text some-text some-text
> <inserted-text>
> Line04some-text some-text some-text some-text some-text
> Line05some-text some-text some-text some-text some-text
> Line06some-text some-text some-text some-text some-text
> <inserted-text>
> Line07some-text some-text some-text some-text some-text
> Line08some-text some-text some-text some-text some-text
> Line09some-text some-text some-text some-text some-text
> <inserted-text>
> Line10some-text some-text some-text some-text some-text
> Line11some-text some-text some-text some-text some-text
> Line12some-text some-text some-text some-text some-text
> <inserted-text>
>
> I hope that you got the problem
I am not sure about a native vim solution (but see further down).
I think the easiest solution would be to use sed? (or filter throught
sed) like this:
#v+
chris...@t41:~/sed$ seq 1 10|sed '0~3a\
> <inserted-text>'
1
2
3
<inserted-text>
4
5
6
<inserted-text>
7
8
9
<inserted-text>
10
#v-
or from within vim filtering the (selected) text:
:%!sed "0~3a<inserted text>"
(this is Gnuish, I am not sure how to get the line break right).
A native Vim solution, could work like this:
:%s/^/\=(!(line('.')%4)?"\n":'')
which means check for every line whether it is the fourth. If it is,
replace this line start with a line break (thus entering a linebreak
after every 3 third line
?) Gnu sed at least allows this. I am not sure about other seds.
regards,
Christian
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