When would `local $_' in a function ruin your day?

Q

When would `local $_' in a function ruin your day?

✍: Guest

A

When your caller was in the middle for a while(m//g) loop
The /g state on a global variable is not protected by running local on it. That'll teach you to stop using locals. Too bad $_ can't be the target of a my() -- yet.

2013-09-20, 1924👍, 0💬