From mboxrd@z Thu Jan  1 00:00:00 1970
From: dexen deVries <dexen.devries@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Date: Tue, 17 Sep 2013 19:12:26 +0200
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Subject: Re: [9fans] how to output NUL byte from awk?
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On Tuesday 17 of September 2013 12:50:07 erik quanstrom wrote:
> On Tue Sep 17 10:04:20 EDT 2013, khm@sciops.net wrote:
> > Quoting dexen deVries <dexen.devries@gmail.com>:
> > > awk(1) says, ``[s]tring constants are quoted " ", with the usual =
C
> > > escapes
> > > recognized within.'', but \0 seems to terminate internal string
> > > reprezentation...
> > >=20
> > > so how do i output a real NUL byte?
> >=20
> > Does printf not do this?
>=20
> no, awk's printf does not do that:
> minooka;  awk 'BEGIN{printf "%c", utf(0)}' | wc
>       0       0       0
> minooka; awk 'BEGIN{printf "%.5s", "12\034567890"}' | xd -1
> 0000000  31 32 1c 35 36
> minooka; awk 'BEGIN{printf "%.5s", "12\0\034567890"}' | xd -1
> 0000000  31 32


printf "%c", 0


--=20
dexen deVries

[[[=E2=86=93][=E2=86=92]]]

Take care of the luxuries and the necessities will take care of themsel=
ves.
                -- L. Long