| … | |
… | |
| 6 | |
6 | |
| 7 | use Guard; |
7 | use Guard; |
| 8 | |
8 | |
| 9 | # temporarily chdir to "/etc" directory, but make sure |
9 | # temporarily chdir to "/etc" directory, but make sure |
| 10 | # to go back to "/" no matter how myfun exits: |
10 | # to go back to "/" no matter how myfun exits: |
| 11 | sub dosomething { |
11 | sub myfun { |
| 12 | scope_guard { chdir "/" }; |
12 | scope_guard { chdir "/" }; |
| 13 | chdir "/etc"; |
13 | chdir "/etc"; |
| 14 | |
14 | |
| 15 | call_function_that_might_die_or_other_fun_stuff; |
15 | call_function_that_might_die_or_other_fun_stuff; |
| 16 | } |
16 | } |
