returns: 0 returns: 0 returns: 1 returns: 0 returns: 0 returns: 0 returns: 0 returns: 0 returns: 1 returns: 0 returns: 0 returns: 1 returns: 1 returns: 1 returns: 1 returns: 0 returns: 0 returns: 0 returns: 1 returns: 0 returns: 1 returns: 0 returns: 1 returns: 1 returns: 0 ./cond.tests: line 101: [[: 4+: syntax error: operand expected (error token is "+") returns: 1 returns: 0 returns: 0 returns: 1 returns: 0 returns: 0 returns: 1 returns: 0 ok ok 42 ok 43