In general terms, it's a bad idea to expect $_ and $1 and similar to survive a function call, as explained above. It's best to save the value of these (in a my variable) before calling a function if you intend of reusing the value.

In reply to Re: Strange behavior: passing $1 to AUTOLOAD by ikegami
in thread Strange behavior: passing $1 to AUTOLOAD by johnnywang

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