Test variable expand
1 2 3 4 5 6 7 8 9 10
10 9 8 7 6 5 4 3 2 1
2 3 4 5 8 7 6
10 9
10 9 8 7 6 5 4 3 2 1
Test variable set
10 9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9 10
10 9 8 7 6 5 4 3 2 1
10 7 8 9 6 5 2 3 4 1
Test command substitution
5 4 3 2 1
3 4 5 9 8 7 6 5 4 3 2
Test more
10 9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9 10
Verify that if statements swallow failure
0
success1
success2
success3
success4