Gentoo Archives: gentoo-user

From: james <garftd@×××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [EXTERNAL] [gentoo-user] empty cdrom drive is busy or mounted
Date: Fri, 23 Aug 2019 23:53:22
Message-Id: 8dcb4b62-4c28-34bd-9b10-4b197f2bf01d@verizon.net
In Reply to: Re: [EXTERNAL] [gentoo-user] empty cdrom drive is busy or mounted by Neil Bothwick
1 On 8/23/19 5:21 PM, Neil Bothwick wrote:
2 > On 22 August 2019 22:08:41 GMT-04:00, Andrew Udvare <audvare@×××××.com> wrote:
3 >>
4 >>> On 2019-08-22, at 12:31, Laurence Perkins <lperkins@×××××××.net>
5 >> wrote:
6 >>>
7 >>> A common tactic is to use grep twice:
8 >>> ps auxf | grep -v grep | grep blah
9 >>
10 >> Or grep with brackets:
11 >>
12 >> ps aux | grep '[f]irefox'
13 >>
14 >> I have a function for this:
15 >>
16 >> psgrep() {
17 >> ps aux | grep "[${1:0:1}]${1:1}";
18 >> }
19 >>
20 >> This works because the ps output will have "grep [f]irefox" and the
21 >> regex can't match that line (without escaping the [] again).
22 >
23 > Or just use pgrep, I usually use pgrep - fa.
24 >
25
26 Ah, that is what I was looking for
27
28 thx,
29 James