That construct is moot though. perlvar says:
As of release 5 of Perl, assignment to $[ is treated as a compiler directive, and cannot influence the behavior of any other file. Its use is highly discouraged.
So unless you fiddled with $[ yourself (which you shouldn't have in the first place), you can use 0 .. $#foo perfectly safely.

Makeshifts last the longest.

In reply to Re^3: Should I use $[ and $# ? by Aristotle
in thread Should I use $ and $# ? by Guildenstern

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