Re: scripts/makelst: bc -> shell Re: sed _s_gnu_alternatives_ (Re: [rft] (g)awk substitution)

David Weinehall
2007-02-03T11:25:08Z

On Sat, Jan 27, 2007 at 06:38:36AM +0000, Oleg Verych wrote:
[snip]
> ,-*- diff snip -*-
> |- t4=`echo $t3 | gawk '{ print $1 }'`
> |- t5=`echo $t1 | gawk '{ print $1 }'`
> |+ t4=`pos_param 1 $t3`
> |+ t5=`pos_param 1 $t1`
> 5 t6=`echo $t4 - $t5 | tr a-f A-F`
> 6 t7=`( echo ibase=16 ; echo $t6 ) | bc`
> `-*-
>
> I've just noticed, that things on lines 5 and 6 may be optimized.
>
> t7=`printf "%lu" $(( 0x$t4 - 0x$t5 ))`

%lu does not seem to agree with SuSv3:

http://www.opengroup.org/onlinepubs/009695399/utilities/printf.html
http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap05.html

[snip]

Regards: David Weinehall
--
/) David Weinehall <tao@acc.umu.se> /) Northern lights wander (\
// Maintainer of the v2.0 kernel // Dance across the winter sky //
\) http://www.acc.umu.se/~tao/ (/ Full colour fire (/