Date: Sat, 07 Mar 2009 13:28:57 +0100 From: Pierre Guinoiseau <geekounet@poildetroll.net> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: Kurt Buff <kurt.buff@gmail.com>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>, "Vasadi I. Claudiu Florin" <claudiu.vasadi@gmail.com> Subject: Re: the "yes" comand Message-ID: <49B26889.2010006@poildetroll.net> In-Reply-To: <49AF7CEB.90901@infracaninophile.co.uk> References: <op.uqak1hn5flcvyi@da1-desktop-x64> <4ad871310903041609n1542132es793320cb9e0a28e2@mail.gmail.com> <op.uqak9wxuflcvyi@da1-desktop-x64> <a9f4a3860903041615g40627c32t8d965df823b85918@mail.gmail.com> <49AF7CEB.90901@infracaninophile.co.uk>
index | next in thread | previous in thread | raw e-mail
[-- Attachment #1 --]
Matthew Seaman wrote:
> Kurt Buff wrote:
>> On Wed, Mar 4, 2009 at 16:06, Vasadi I. Claudiu Florin
>> <claudiu.vasadi@gmail.com> wrote:
>>> Well , I noticed that, but it's a bit odd now isn't it. I mean,
>>> what's the
>>> sense of having some darn letter printer out forever ? I found it
>>> kind of
>>> silly If you ask me.
>>
>> But, incredibly useful if you actually write shell scripts - many
>> programs want a 'y' for input from the stdin, and this will do that
>> for you.
>
> Here's an example. When upgrading FreeBSD, especially over a large delta
> in version numbers, you will frequently need to delete old files etc. that
> are no longer part of the base system. You are provided with a mechanism
> to do that, viz:
>
> # cd /usr/src
> # make check-old {prints out all old files, directories and
> libraries to be deleted}
> # make delete-old
> {prompts you to delete anything apart from shlibs which it won't
> touch}
>
> However 'make delete-old' will ask you whether you want to delete each
> and every individual file, which is tedious. If you decide from your
> inspection of the 'make check-old' output that you don't want any of the
> old files, you can just run:
>
> # yes | make delete-old
>
> Job done.
>
> Cheers,
>
> Matthew
>
Or you can also do:
# make BATCH_DELETE_OLD_FILES=YES delete-old
;)
[-- Attachment #2 --]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.11 (FreeBSD)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
iEYEARECAAYFAkmyaI8ACgkQJikNJSAyef/k7gCgk7H8Dq4Bf+//gHJwsXNtBOL2
Ig8An3GGCDdCKX8G9x6KjA3nAeo6Dfji
=m2eK
-----END PGP SIGNATURE-----
help
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?49B26889.2010006>