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From: Karel Zak <kzak@redhat.com>
To: Anatoly Pugachev <matorola@gmail.com>
Cc: "Michal Suchánek" <msuchanek@suse.de>,
	util-linux <util-linux@vger.kernel.org>
Subject: Re: [PATCH] blkid: open device in nonblock mode.
Date: Tue, 12 Nov 2019 09:58:29 +0100	[thread overview]
Message-ID: <20191112085829.jsgr3guy2tc7sudo@10.255.255.10> (raw)
In-Reply-To: <CADxRZqxToUUgwR4DqEnS84TBQ7y8hy+s0fBoZYn3_Q-Zit1Ktg@mail.gmail.com>

On Tue, Nov 12, 2019 at 11:27:28AM +0300, Anatoly Pugachev wrote:
> On Wed, Nov 6, 2019 at 11:52 AM Karel Zak <kzak@redhat.com> wrote:
> >> On Wed, Nov 06, 2019 at 09:02:56AM +0100, Michal Suchánek wrote:
> > > > First off you need to explain it to all authors of all random scripts
> > > > out there.
> >
> > That's what I'm doing for years :)
> 
> considering lsblk / findmnt , how they are supposed to replace blkid
> in the following example (taken from os-prober):
> 
>                 output="$(blkid -o device -t LABEL="$1")" || return 1
> 
> i wasn't able to find lsblk alternative to match things (label, uuid,
> partition, whatever) - maybe i just don't carefully read manual page
> for it ? Of course it is possible to use grep in pipe after lsblk, but
> anyway.

Yes, it's UN*X :-) ... grep or so

    lsblk -rpo LABEL,NAME | awk '/'$1'/ { print $2 }'


 Karel

-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com


  reply	other threads:[~2019-11-12  8:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-04 20:23 [PATCH] blkid: open device in nonblock mode Michal Suchanek
2019-11-05 11:41 ` Karel Zak
2019-11-05 17:13   ` Michal Suchánek
2019-11-06  8:02     ` Michal Suchánek
2019-11-06  8:48       ` Karel Zak
2019-11-06  9:45         ` Michal Suchánek
2019-11-12  8:27         ` Anatoly Pugachev
2019-11-12  8:58           ` Karel Zak [this message]
2019-11-06  9:00 ` Karel Zak
2020-01-07 16:04 ` Karel Zak
2020-01-07 16:19   ` Michal Suchánek
2020-01-08  8:25     ` Karel Zak

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