Re: Setting $0 to fields after changing FS

[Ed Morton]

 I don't need it, I'd never really do this in my code.

Thanks,

    Ed.

On 11/20/2010 2:35 PM, Aharon Robbins wrote:
> Hi.
>
> Unfortunately, I see this with the current stable gawk too.
>
> Fortunately, the development, byte-code gawk, now available from Git
> on Savannah, does not have this problem.  (Yay!)
>
> If you really need a fix for gawk-stable, let me know. Otherwise, since
> it's working in the development gawk, I'm happy. I will try to add
> your program to the test suite.
>
> Thanks,
>
> Arnold
>
> > Date: Sat, 20 Nov 2010 07:23:44 -0600
> > From: Ed Morton<address@hidden>
> > To: address@hidden
> > Subject: Setting $0 to fields after changing FS
> >
> > I found this on cygwin on Windows XP. Notice the control characters on the
> > final line of output.
> >
> > Reading http://www.gnu.org/manual/gawk/html_node/Bugs.html didn't point me to
> > the list of known bugs, so I don't know if this is a known problem or not.
> >
> > Regards,
> >
> >       Ed Morton.
> >
> > ------------------------------------------------------------------------------------------------------------------------
> >
> > $ gawk --version | head -2
> > GNU Awk 3.1.6
> > Copyright (C) 1989, 1991-2007 Free Software Foundation.
> >
> > $ cat -v tst.awk
> > BEGIN {
> >           FS = "-"
> >           $0="foo,bar"
> >           printf "FS=<%s>  NF=<%d>  $0=<%s>  $1=<%s>  $2=<%s>\n",FS,NF,$0,$1,$2
> >
> >           FS = ","
> >           $0 = $1
> >           printf "FS=<%s>  NF=<%d>  $0=<%s>  $1=<%s>  $2=<%s>\n",FS,NF,$0,$1,$2
> >
> >           $0 = $2
> >           printf "FS=<%s>  NF=<%d>  $0=<%s>  $1=<%s>  $2=<%s>\n",FS,NF,$0,$1,$2
> >
> > }
> >
> > $ gawk -f tst.awk | cat -v
> > FS=<->  NF=<1>  $0=<foo,bar>  $1=<foo,bar>  $2=<>
> > FS=<,>  NF=<2>  $0=<foo,bar>  $1=<foo>  $2=<bar>
> > FS=<,>  NF=<1>  $0=<M-TM-^]^T>  $1=<M-TM-^]^T>  $2=<>