1returns: 0
2returns: 0
3returns: 1
4returns: 0
5returns: 0
6returns: 0
7returns: 0
8returns: 0
9returns: 1
10returns: 0
11returns: 0
12returns: 1
13returns: 1
14returns: 1
15returns: 1
16returns: 0
17returns: 0
18returns: 0
19returns: 1
20returns: 0
21returns: 1
22returns: 0
23returns: 1
24returns: 1
25returns: 0
26./cond.tests: line 101: [[: 4+: syntax error: operand expected (error token is "+")
27returns: 1
28returns: 0
29returns: 0
30returns: 1
31returns: 0
32returns: 0
33returns: 1
34returns: 0
35ok
36ok 42
37ok 43
38