Re: [gentoo-user] [OT] tar exclude syntax tip

[tastytea <gentoo@tastytea.de>]

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On 2021-05-05 11:28-0400 "Walter Dnes" <waltdnes@waltdnes.org> wrote:

> On Wed, May 05, 2021 at 04:03:03PM +0200, tastytea wrote
> > 
> > This works fine here with ???tar (GNU tar) 1.34???:
> > 
> > $ mkdir -p a/b
> > $ touch a/file a/b/file
> > $ touch a/file.xz a/b/file.xz
> > $ tree a
> > a
> > ????????? b
> > ???   ????????? file
> > ???   ????????? file.xz
> > ????????? file
> > ????????? file.xz
> > 
> > 1 directory, 4 files
> > $ tar -cvzf test.tar.gz --exclude="a/file" --exclude="a/b/*.xz" a  
> 
>   That's files.  What happens with directories, e.g.
> tar -cvzf test.tar.gz --exclude="a/b/" a

With the trailing slash it doesn't work, but
`tar -cvzf test.tar.gz --exclude="a/b" a` works.

>   I know I followed the manual.  Actually, my problem seems to be with
> directories.  See
> https://serverfault.com/questions/742514/running-the-tar-command-with-the-exclude-functionality-does-not-work-for-direc
> where someone finds that...
> 
> tar hczf t.tar.gz * --exclude="./test1"
> 
> ...doesn't work, but...
> 
> tar --exclude="./test1" -hczf t.tar.gz *
> 
> ...does work!?!?!?
> 

That's because the files come last, the poster of the question has put
--exclude after the files.

When I'm in a, --exclude="./b" doesn't work, but --exclude="b" works.
tar doesn't seem to understand “./”.

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