sed - remove nul lines from file
yuripv at gmx.com
Tue Nov 7 18:03:37 UTC 2017
On Tue, 7 Nov 2017 13:01:12 -0500, James B Byrne Via Freebsd-questions
> 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
You want /d, not /g, to delete the *lines* which contain NUL symbols
(that's what your subject line said).
> 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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