Marczis, Peter (NSN - HU/Budapest) wrote:
I usually do it this way:
:v/my pattern/d<CR>
and it works perfect to any single line pattern...
my problem is that I want to keep something like this:
ABC ...
....
....
...
And until the first empty line...
How it is possible ? I was thinking something like this:
:v/ABC\(.|\n)*^\s*$/d
but not really work.
My first thought would be to use a "decorate-modify-undecorate"
pattern, something like
:g/ABC/,/^\s*$/-s/^/@
"on every line matching ABC, from that line through the next
blank line (minus one = "-", which you can remove if you want to
keep the blank lines), tack a '@' character at the beginning of
the line" (mark the lines we want to keep with a unique character)
:v/^@/d
"delete all the lines we didn't mark as interesting"
:%s/^@
"remove all the decoration we put in".
It requires being able to find a decoration character that isn't
in use at the beginning of any line, so you might have to use "%"
or some other character instead, but the pattern is the same.
As a side note, it does require at least one blank line after the
each ABC or you'll get a little complaint from Vim. It also has
difficulty if you have more than one ABC in a section such as
ABC
foo
ABC <-- there's no blank line above this
bar so the overlap with the first ABC
causes problems
ABC
...
-tim
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