blob: f7e3c9235ce5af5ed60e8bc20d3341062bb7d917 [file] [log] [blame]
Denis Vlasenko1c660b42007-03-05 00:27:50 +00001# bash 3.2 apparently thinks that ++7 is 7 etc
2( echo $(( --7 )) )
3( echo $(( ++7 )) )
4( echo $(( -- 7 )) )
5( echo $(( ++ 7 )) )
6
7#ash# ((++array[0] ))
8#ash# echo 1 $array
9#ash# (( ++ array[0] ))
10#ash# echo 2 $array
11
12#ash# (( ++a ))
13#ash# echo 1 $a
14#ash# (( ++ a ))
15#ash# echo 2 $a
16
17#ash# (( --a ))
18#ash# echo 1 $a
19#ash# (( -- a ))
20#ash# echo 0 $a
21 a=0
22
23echo 5 $(( 4 + ++a ))
24echo 1 $a
25
26# ash doesn't handle it right...
27#ash# echo 6 $(( 4+++a ))
28#ash# echo 2 $a
29 a=2
30
31# ash doesn't handle it right...
32#ash# echo 3 $(( 4---a ))
33#ash# echo 1 $a
34 a=1
35
36echo 4 $(( 4 - -- a ))
37echo 0 $a
38
39#ash# (( -- ))
40# bash 3.2 apparently thinks that ---7 is -7
41#ash# echo $(( ---7 ))
42( echo $(( -- - 7 )) )
43
44#ash# (( ++ ))
45# bash 3.2: 7
46#ash# echo 7 $(( ++7 ))
47( echo $(( ++ + 7 )) )
48
49# bash 3.2: -7
50#ash# echo -7 $(( ++-7 ))
51# bash 3.2: -7
52#ash# echo -7 $(( ++ - 7 ))
53
54# bash 3.2: 7
55#ash# echo 7 $(( +--7 ))
56# bash 3.2: 7
57#ash# echo 7 $(( -- + 7 ))