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Pig >> mail # user >> why pig stream "grep" not work, but "awk index" is well


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Re: why pig stream "grep" not work, but "awk index" is well
Yes. I am sure.
2011/7/6 Dmitriy Ryaboy <[EMAIL PROTECTED]>

> Works for me.
>
> Make sure you have grep on the path of all your nodes?
>
> D
>
> On Mon, Jul 4, 2011 at 7:59 PM, Jameson Li <[EMAIL PROTECTED]> wrote:
> > I have a doubt that:
> >
> > sometime when I run the pig code:
> > c = stream b through `grep "spider"`;
> >
> > It will return the error message:
> > Received Error while processing the map plan: 'grep "spider" ' failed
> with
> > exit status: 1
> >
> > But when I use the pig code:
> > c = stream b through `awk '{a=index($0,"spider");if(a!=0){print $0};}'`;
> >
> > It will work normal.
> >
> > Why?
> >
> > Thanks very much.
> >
>