Date: Tue, 7 Nov 2017 13:01:12 -0500 From: "James B. Byrne" <byrnejb@harte-lyne.ca> To: "Yuri Pankov" <yuripv@gmx.com> Cc: freebsd-questions@freebsd.org Subject: Re: sed - remove nul lines from file Message-ID: <c2b1ffce6933bcb8f47c856a40d29b16.squirrel@webmail.harte-lyne.ca> In-Reply-To: <88a59a82-2902-9f63-0a94-bd23b910e7ad@gmx.com> References: <b21bf201363c34a90ab55c4a05ff8fd7.squirrel@webmail.harte-lyne.ca> <88a59a82-2902-9f63-0a94-bd23b910e7ad@gmx.com>
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On Tue, November 7, 2017 12:36, Yuri Pankov wrote:
>
> Apparently, our regex engine doesn't accept the '\x' syntax, try a bit
> more complicated, but standard way :-)
>
> sed '/[[.NUL.]]/d'
>
sed /[[.NUL.]]/g INFILE > OUTFILE
gives the same result as
tr < INFILE -d '\000' > OUTFILE
sed /^[[.NUL.]]$/g INFILE > OUTFILE has no effect whatsoever. No
doubt because I am not specifying the record delimiters appropriately.
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