Date: Tue, 7 Nov 2017 13:14:08 -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: <88b1870184a8810072fe503917cd86be.squirrel@webmail.harte-lyne.ca> In-Reply-To: <f51d6c8a-c91c-dc7c-6134-e276ec60b179@gmx.com> References: <b21bf201363c34a90ab55c4a05ff8fd7.squirrel@webmail.harte-lyne.ca> <88a59a82-2902-9f63-0a94-bd23b910e7ad@gmx.com> <c2b1ffce6933bcb8f47c856a40d29b16.squirrel@webmail.harte-lyne.ca> <f51d6c8a-c91c-dc7c-6134-e276ec60b179@gmx.com>
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On Tue, November 7, 2017 13:03, Yuri Pankov wrote:
>
> You want /d, not /g, to delete the *lines* which contain NUL symbols
> (that's what your subject line said).
>
Sigh. Thank you. That works. However, it also deletes any line that
has even one NUL in it regardless of the presence of other non-nul
characters on the line.
What I wish to accomplish is to delete only the lines that are
completely nul. I thought that this could be accomplished by
prefacing the match sting with the start of line anchor ^ and ending
it with the end of line anchor $ but this does not work as I expect.
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