On Sunday, July 13, 2003, at 11:30 PM, Ron Johnson wrote:
> On Sun, 2003-07-13 at 00:56, Mark A. Hershberger wrote:
>> Alex McKenzie <alex@boxchain.com> writes:
> [snip]
>
> Thus, the "stat _" will operate on $file2 instead of the desired
> $file1. If this is done in a long, complicated program originally
> written by a "clever but not good" programmer, it may take a long
> time analyzing the program just to make sure a small change does
> not introduce a possibly serious bug.
>
That's what I've always felt. _ and $_ are essentially global
variables, and there's only the two of them. It's especially tricky to
use them across a function call.
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Received on 07/14/03
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