| case | bash | mksh | description |
| 0 | pass | pass | Append string to string |
| 1 | pass | pass | Append array to array |
| 2 | BUG | BUG | Append array to string should be an error |
| details | details | ||
| 3 | ok | ok | Append string to array should be disallowed |
| details | details | ||
| 4 | pass | pass | Append string to array element |
| 5 | pass | BUG | Append to last element |
| details | |||
| 6 | pass | pass | Try to append list to element |
| 7 | pass | pass | Strings have value semantics, not reference semantics |
11 passed, 2 ok, 0 known unimplemented, 3 known bugs, 0 failed, 0 skipped
| bash | 2 Append array to string should be an error stdout: abcstderr: |
| mksh | 2 Append array to string should be an error stdout: abcstderr: |
| bash | 3 Append string to array should be disallowed stdout: ['xz', 'y']stderr: |
| mksh | 3 Append string to array should be disallowed stdout: ['xz', 'y']stderr: |
| mksh | 5 Append to last element stdout: ['1', '2 3', ' 4']stderr: |