####################
# pipestatus variable - builtins only
1 1 1
1
0 0 0
0
1 0 1
1
0 1 0
0

####################
# pipestatus variable - no builtins
1 1 1
1
0 0 0
0
1 0 1
1
0 1 0
0

####################
# pipestatus variable - mixed
1 1 1
1
0 0 0
0
1 0 1
1
0 1 0
0
5 2
2
3 1 6
6
9 0 3 1
1

####################
# pipestatus variable - non-pipe
0
0
1
1
0
0
1
1
4
4