2
2
1
[one
two]
1
[one
two]
1
[one
two
]

1 'hello' 1 'there'
1 'hello there'
1 ''
1 '' 1 ''
1 'test' 1 '' 1 ''

1 'hello'
1 'h' 1 'ello'
1 'h' 1 'e' 1 'llo'
1 ''
1 't' 1 ''
1 't' 1 '' 1 ''
1 ' ' 1 't'

2 'hello' 'there'
1 'hello'
6 'this' 'is' 'a' 'bunch' 'of' 'words'
3 'one' 'two' 'three'
0

5 'h' 'e' 'l' 'l' 'o'
1 'h'
0

# read -n tests
tes
test
test
tes
tin
t