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Date: Tue,  5 May 2009 14:59:16 +0100
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From: roger peppe <rogpeppe@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] problems with redirection in rc
Topicbox-Message-UUID: f57934ac-ead4-11e9-9d60-3106f5b1d025

where did you put the redirection?

i'd have thought that this would work ok (note the added braces):

{for (i in *_r) @{cd $i; echo -n $i^'  '; grep total otdit | grep -v na}} >=
 res

2009/5/5 Rudolf Sykora <rudolf.sykora@gmail.com>:
> Hello everyone!
>
> To get some useful information from a file I write:
>
> ; for (i in *_r) @{cd $i; echo -n $i^' =C2=A0'; grep total otdit | grep -=
v na}
>
> to get lines from the 'otdit' files in *_r subdirectories with the
> word 'total' on them, but no 'na' on them. This works to my liking and
> produces sth. like
>
> 10_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.4105E-01
> 11_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3897E-01
> 12_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3685E-01
> 13_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3446E-01
> 14_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3180E-01
> 15_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.2890E-01
> 16_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.2589E-01
> 17_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.2299E-01
> 18_r =C2=A0 =C2=A0total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.1860E-01
> ...
> 9_r =C2=A0 =C2=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.4317E-01
>
> Ok, now I wanted to save this, so I naively appended '> res'. But then
> the contents of 'res' was only the last line:
> 9_r =C2=A0 =C2=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.4317E-01
>
> Ok, so I thought '>> res' should be used instead. But then I got sth. lik=
e
>
> =C2=A0];/home/sykora/CALC/doing/tests/9_r/-xeon4 9_r total =C2=A0 =C2=A0 =
=C2=A0 =C2=A0: =C2=A0 9.4317E-01
> =C2=A0];/home/sykora/CALC/doing/tests/10_r/-xeon4 10_r =C2=A0 =C2=A0 =C2=
=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.4105E-01
> =C2=A0];/home/sykora/CALC/doing/tests/11_r/-xeon4 11_r =C2=A0 =C2=A0 =C2=
=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3897E-01
> =C2=A0];/home/sykora/CALC/doing/tests/12_r/-xeon4 12_r =C2=A0 =C2=A0 =C2=
=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3685E-01
> =C2=A0];/home/sykora/CALC/doing/tests/13_r/-xeon4 13_r =C2=A0 =C2=A0 =C2=
=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3446E-01
> =C2=A0];/home/sykora/CALC/doing/tests/14_r/-xeon4 14_r =C2=A0 =C2=A0 =C2=
=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.3180E-01
> =C2=A0];/home/sykora/CALC/doing/tests/15_r/-xeon4 15_r =C2=A0 =C2=A0 =C2=
=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.2890E-01
> =C2=A0];/home/sykora/CALC/doing/tests/16_r/-xeon4 16_r =C2=A0 =C2=A0 =C2=
=A0 total =C2=A0 =C2=A0 =C2=A0 =C2=A0: =C2=A0 9.2589E-01 ,
>
> which quite surprised me... Can you tell me why this happens? I am runnin=
g p9p.
>
> Thanks
> Ruda
>
>