Date: Wed, 17 Oct 2001 15:52:33 +0200 From: Roman Neuhauser <neuhauser@mobil.cz> To: freebsd-questions@freebsd.org Subject: Re: sed question -- SOLVED Message-ID: <20011017155233.B30577@roman.mobil.cz> In-Reply-To: <20011017132807.C16050@roman.mobil.cz>; from neuhauser@mobil.cz on Wed, Oct 17, 2001 at 01:28:07PM %2B0200 References: <20011017132807.C16050@roman.mobil.cz>
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> Date: Wed, 17 Oct 2001 13:28:07 +0200
> From: Roman Neuhauser <neuhauser@mobil.cz>
> To: freebsd-questions@freebsd.org
> Subject: sed question
>
> Hi there,
>
> can anyone tell me what's wrong with this command?
>
> > cat somefile | sed -E '~foobar~d'
> sed: 1: "~foobar~d": invalid command code ~
>
> sed(1) says:
>
> 1. In a context address, any character other than a backslash (``\'')
> or newline character may be used to delimit the regular expression.
>
> TIA
Sorry to bother everyone, I knew it'd be PEBKAC. In case someone else
hits the same wall, here's how it works:
1. ~ has a special meaning for sed, a fact I was unaware of.
2. when you want to delimit the regular expression ('address') with
something else than slashes, you have to backslash the _opening_
delimiter. Leave the closing one alone; you'll get "unterminated
regular expression" otherwise.
That's it. Happy sedding. :)
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