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List:       busybox
Subject:    [BusyBox] bug#1196: ash applet doens't handle arithmetic properly..
From:       HeeChul Yun <hcyun () etri ! re ! kr>
Date:       2001-07-27 4:45:02
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Package: busybox
Version: 0.53-pre

-- < t.sh > --
a=0
a=$(($a + 1))
echo "a=$a"
--------------

$ash t.sh
a=1

Above script works fine in bash or normal ash version 0.3.7-1.
However in ash applet in busybox 0.53-pre. It got following messages.

$ busybox sh t.sh
t.sh: 2: Syntax error: Missing '))'

I think arithmetic assignemnt handling have some problems..
I tried "let a=a+1" instead of above assignement method. And it also
fail..


$busybox sh t.sh
let: No such file or directory
a=0

Astonishingly normal ash also fail to execute that statement.

$ash t.sh
let: arith: syntax error: "a=a+1"

a=0

Does ash have problems in handling arithmetics?






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