On Thu, Feb 03, 2005 at 01:49:37PM +0200, Romeo Ninov wrote:
> Ð ÐÐÑÐ ÐÐ ÐÑÐÐÐÐÑ ÐÐÑÐ ÐÑ ÑÐÐÐ:
> c=$[$a-$b]
> ÐÐÐÑÑÐ
> c=`echo $a+$b|bc`

ÐÐÐ, ÐÐ $[ÐÐÑÐÐ] ÐÑÐ ÐÐ ÐÑÑ ÑÑÐÐÐ - ÑÐÐÐ Ð 
ÐÐÐÐÐ ÐÐ-ÐÐÐÐÐ portable ÐÑ
$((ÐÐÑÐÐ)), ÐÐÐÑÐ, ÐÐÐÑÐ ÐÐÑÐ ÑÐÐÐÐÐÐÑ, ÐÐÐÐ 
ÑÐ ÑÐÐÐÑÐ ÐÐ ÐÑÐÑÐÐ Korn
shells, Ð ÐÑÑÑÐÐÑÑ ÐÑÐÐÐ ÐÐÐÐÐ ÑÐ ÑÐÑÐÑ, ÑÐ ÑÐ 
ÑÐÐÐÑÐ Ð ÐÐ ÐÑÐÑÐÐ
POSIX-ÑÑÐÐÐÑÑÐÐÐ ÑÐÐÐÐÐÐÑÐÐ ÐÐ /bin/sh.  ÐÐÐÐ ÑÐ 
ÑÐÐÐ, ÐÐÐÑÐ ÐÐÐ Ð
ÐÑÐÐÐÑÐÐÑÐ ÐÐÐÐ-ÐÐÐ ÐÐÐÐÐ ÐÐÐÐÑ, ÐÐÑÐ ÐÐ Ð 
ÑÐÐÐÐÐÐ ÐÑÑÐÐ - $((..))
ÐÑÑÑÐÐÑÑ Ð ÐÐÐÐ ÐÐÑÑÐ ÐÐÐÑÑ ÐÐÑÐÐ ÐÐ 
ÐÑÐÑÐÑÑÐÐÐÑ, ÐÐÐÐÑ Ð ÐÐ ÐÐÐ
ÑÐÐÐÐÐÐÑÐÐ ÐÐ ÑÐÐÐÐÐ, ÐÑÐ ÐÐÐÑÐ ÐÑÐÐ ÐÐ 
ÑÐÐÐÑÐ.

> ÐÐÐÐ ÐÑÐ ÐÐÐ ÑÐÐÐÑÐ Ð Ñ ÐÐÐÐÐ ÐÐÐÐÐÐ ÑÐÑÐÐ
> ÐÑÐÐÐÑÐÐ:
> Ð=12345678901234567890;b=12345678801234567880;export a b
> echo $[$a-$b]
> 100000000010


Ð ÑÐÐÐ, ÐÐÐÑÐ ÐÐÑÐ ÐÐÑÐÑÐÐ, Ð ÐÑÑÐÐ ÑÐÐÐ ÐÑ 
Bash 2.05-alpha1 ÐÐÑÐÐ :)

Ð ÐÐÑÑÐÐ ÐÑÐ ÐÑÐ ÐÐ Ð ÐÐÐÐÐ ÐÐÑ Ð ÐÐÑÑÐÑÑÐ 
ÐÐ ÐÐÐÐÐÐÑ Bash...

ÐÐÐÐÑÐÐÐ,
ÐÐÑÑÑ
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