Re: matching exact lines in files

[Jim Showalter]

Alan Curry wrote:

> In article <ftOUg.4846$Y24.700@newsread4.news.pas.earthlink.net>,
>
> I can search for newlines just fine with vim, using \n.
>

Well I'll be... that works - thanks!

>
> If I can guess your intent (rather than just giving you exactly what you
> asked for), these are probably what you really want:
>
> # Find all lines that exactly match [Event "ICC"] and print them, together
> # with 1 preceding line.
> grep -B 1 -Fx '[Event "ICC"]' file
>
> # Same thing, then get rid of the [Event "ICC"] lines and the separators
> # leaving only the lines that preceded the [Event "ICC"] lines
> grep -B 1 -Fx '[Event "ICC"]' file |
>   grep -Fxv -e '[Event "ICC"]' -e '--'
>
> # Building on the previous example, group and count the occurrences of
> # each result
> grep -B 1 -Fx '[Event "ICC"]' file |
>   grep -Fxv -e '[Event "ICC"]' -e '--' | sort | uniq -c
>

Well, you didn't quite guess my intent.  I just want to find cases
where there is no intervening blank line and insert one.

If we find this:

1-0
[Event "ICC"]

We change it to this:

1-0

[Event "ICC"]

Thanks much,
jim
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