sed - remove nul lines from file

James B. Byrne byrnejb at
Tue Nov 7 18:14:12 UTC 2017

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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