| SHELL: line 1: syntax error: bad substitution |
| 1 |
| 0 |
| ==== |
| _ |
| SHELL: line 1: 1: parameter not set |
| SHELL: line 1: 1: parameter not set or null |
| SHELL: line 1: 1: message1 |
| SHELL: line 1: 1: message1 |
| SHELL: line 1: 1: unset! |
| SHELL: line 1: 1: null or unset! |
| ==== |
| _aaaa |
| _aaaa |
| _aaaa |
| _aaaa |
| _aaaa |
| _aaaa |
| _aaaa |
| ==== |
| _ |
| SHELL: line 1: f: parameter not set |
| SHELL: line 1: f: parameter not set or null |
| SHELL: line 1: f: message3 |
| SHELL: line 1: f: message3 |
| SHELL: line 1: f: unset! |
| SHELL: line 1: f: null or unset! |
| ==== |
| _ |
| _ |
| SHELL: line 1: f: parameter not set or null |
| _ |
| SHELL: line 1: f: message4 |
| _ |
| SHELL: line 1: f: null or unset! |
| ==== |
| _fff |
| _fff |
| _fff |
| _fff |
| _fff |
| _fff |
| _fff |
