Gentoo Archives: gentoo-user

From: Andrew Udvare <audvare@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [EXTERNAL] [gentoo-user] empty cdrom drive is busy or mounted
Date: Fri, 23 Aug 2019 02:08:52
Message-Id: A87D2EF2-0BF5-469D-92C3-EEFF5DCBA3EF@gmail.com
In Reply to: Re: [EXTERNAL] Re: [gentoo-user] empty cdrom drive is busy or mounted by Laurence Perkins
1 > On 2019-08-22, at 12:31, Laurence Perkins <lperkins@×××××××.net> wrote:
2 >
3 > A common tactic is to use grep twice:
4 > ps auxf | grep -v grep | grep blah
5
6 Or grep with brackets:
7
8 ps aux | grep '[f]irefox'
9
10 I have a function for this:
11
12 psgrep() {
13 ps aux | grep "[${1:0:1}]${1:1}";
14 }
15
16 This works because the ps output will have "grep [f]irefox" and the regex can't match that line (without escaping the [] again).
17
18
19 --
20 Andrew

Replies

Subject Author
Re: [EXTERNAL] [gentoo-user] empty cdrom drive is busy or mounted Neil Bothwick <neil@××××.net>