On Tue, May 5, 2009 at 6:29 AM, Rudolf Sykora <[email protected]> wrote:
> Hello everyone!
>
> To get some useful information from a file I write:
>
> ; for (i in *_r) @{cd $i; echo -n $i^' '; 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 total : 9.4105E-01
> 11_r total : 9.3897E-01
> 12_r total : 9.3685E-01
> 13_r total : 9.3446E-01
> 14_r total : 9.3180E-01
> 15_r total : 9.2890E-01
> 16_r total : 9.2589E-01
> 17_r total : 9.2299E-01
> 18_r total : 9.1860E-01
> ...
> 9_r total : 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 total : 9.4317E-01
In
; for (i in *_r) @{cd $i; echo -n $i^' '; grep total otdit | grep -v na} > res
the >res binds tighter than the for loop, so it runs a separate
redirection for each iteration. You need
; { for (i in *_r) @{cd $i; echo -n $i^' '; grep total otdit | grep
-v na}} > res
> Ok, so I thought '>> res' should be used instead. But then I got sth. like
>
> ];/home/sykora/CALC/doing/tests/9_r/-xeon4 9_r total : 9.4317E-01
> ];/home/sykora/CALC/doing/tests/10_r/-xeon4 10_r total :
> 9.4105E-01
> ];/home/sykora/CALC/doing/tests/11_r/-xeon4 11_r total :
> 9.3897E-01
> ];/home/sykora/CALC/doing/tests/12_r/-xeon4 12_r total :
> 9.3685E-01
> ];/home/sykora/CALC/doing/tests/13_r/-xeon4 13_r total :
> 9.3446E-01
> ];/home/sykora/CALC/doing/tests/14_r/-xeon4 14_r total :
> 9.3180E-01
> ];/home/sykora/CALC/doing/tests/15_r/-xeon4 15_r total :
> 9.2890E-01
> ];/home/sykora/CALC/doing/tests/16_r/-xeon4 16_r total :
> 9.2589E-01 ,
>
> which quite surprised me... Can you tell me why this happens? I am running
> p9p.
You've got the cd implementation from label(1) loaded.
In interactive mode, it echos escape codes that are
supposed to update the label in your terminal window.
Instead it wrote them to the redirected file.
I changed label to write to /dev/tty explicitly, which should
avoid this problem.
Russ
