From: Valdis.Kletnieks@vt.edu (Valdis.Kletnieks at vt.edu)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Deleting a line from a file
Date: Thu, 15 May 2014 04:06:49 -0400 [thread overview]
Message-ID: <82500.1400141209@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Thu, 15 May 2014 09:55:52 +0200." <1400140552.18277.48.camel@thorin>
On Thu, 15 May 2014 09:55:52 +0200, Bernd Petrovitsch said:
> sed -i '/\/opt\/new1/d' file_entries.txt
>
> should do it.
> Just for the match, we do not need, the tailing ".*$" (because it
> matches always).
Actually, you want to use /^\/opt\/new1[ \t]/d because otherwise it will
also delete lines that contain /usr/opt/new1 and /opt/new12.
So you want a pattern that matches ^ anchor at start, the actual
/opt/new1 pathname, and then either a blank or tab whitespace....
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next prev parent reply other threads:[~2014-05-15 8:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-14 14:28 Deleting a line from a file Saket Sinha
2014-05-14 14:34 ` Bernd Petrovitsch
2014-05-14 15:18 ` Valdis.Kletnieks at vt.edu
2014-05-15 7:55 ` Bernd Petrovitsch
2014-05-15 8:06 ` Valdis.Kletnieks at vt.edu [this message]
2014-05-14 15:57 ` Saket Sinha
2014-05-14 16:14 ` Valdis.Kletnieks at vt.edu
2014-05-14 16:43 ` Saket Sinha
2014-05-14 17:51 ` Valdis.Kletnieks at vt.edu
2014-05-15 7:53 ` Bernd Petrovitsch
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