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Re: Possible grep bug
From: |
Stepan Kasal |
Subject: |
Re: Possible grep bug |
Date: |
Thu, 26 May 2005 10:00:01 +0200 |
User-agent: |
Mutt/1.4.1i |
Hello,
thenk you for the report.
On Wed, May 25, 2005 at 01:41:01PM +0200, Sandro Bosio wrote:
> That is probably because first -v is applied and then -A 1 extends the
> non-matching,
exactly, this is the bahaviour. grep is also an interactive tool.
You want to see all lines containig foo. -A shows you the context.
If you have a file where most lines start with `:', then
grep -v '^:' file
shows you lines which don't start with `:'.
And -A shows you the context, ie. the syrrounding `:' lines.
The manpage explains -A that some lines after the ``matching'' ones are
printed, too. Perhaps it would be more exact to use the word
``selected'' lines.
Have a nice day,
Stepan Kasal