1# test of redone post-increment and post-decrement code
2(  echo $(( 4-- ))   )
3(  echo $(( 4++ ))   )
4(  echo $(( 4 -- ))  )
5(  echo $(( 4 ++ ))  )
6
7#ash# (( array[0]++ ))
8#ash# echo ${array}
9
10#ash# (( array[0] ++ ))
11#ash# echo ${array}
12
13#ash# (( a++ ))
14#ash# echo $a
15#ash# (( a ++ ))
16#ash# echo $a
17      a=2
18
19echo 6 $(( a ++ + 4 ))
20echo 3 $a
21
22echo 7 $(( a+++4 ))
23echo 4 $a
24
25echo 0 $(( a---4 ))
26echo 3 $a
27
28echo 7 $(( a -- + 4 ))
29echo 2 $a
30
31echo -2 $(( a -- - 4 ))
32echo 1 $a
33
34#ash# (( ++ + 7 ))
35
36#ash# (( ++ ))
37(  echo $(( +++7 ))  )
38# ++ is not a inc operator on non-variable, it is the + + sequence
39echo $(( ++ + 7 ))
40#ash# (( -- ))
41