Date: Mon, 18 May 2015 15:06:45 +0200 From: Emmanuel Vadot <elbarto@bocal.org> To: FreeBSD FreeBSD <freebsd-questions@freebsd.org> Subject: Re: Problem with sed Message-ID: <20150518150645.0aaf7b513526c4f2a11d85e7@bocal.org> In-Reply-To: <20150518090051.6600f32a@seibercom.net> References: <20150518090051.6600f32a@seibercom.net>
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-i is for backup file Use -i"" if you don't want any backup and replace in file Use -i.bak for example to backup the original file as file.bak On Mon, 18 May 2015 09:00:51 -0400 Jerry <jerry@seibercom.net> wrote: > I rarely use sed, so I admit to not being fully acquainted with its > idiosyncrasies,; however, this one is really annoying. > > I am using this command in an attempt to remove empty lines: > > $ sed -i /^$/d /var/tmp/myfile.txt > > and get this error: > > sed: 1: "/var/tmp/myfile.txt": undefined label 'mp/myfile.txt' > > I don't understand why. I am following the example I found in the "sed & awk" handbook by "O'Reilly" -- Emmanuel Vadot <elbarto@bocal.org>
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