Re^2: $_ confusion with loops in loops

You can fix this problem by declaring $_ with 'local' in the search routine.

sub search {
    local $_;
    ...
}
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The previous value of $_ is restored when search returns ($_ goes out of scope).

Bill

Comment on Re^2: $_ confusion with loops in loops Download Code

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Re^3: $_ confusion with loops in loops by GrandFather (Saint) on Mar 07, 2019 at 00:48 UTC
You could do that, or you could use a lexical variable with a sensible name that not only completely avoids the issue, but also makes the code easier to read. Optimising for fewest key strokes only makes sense transmitting to Pluto or beyond	[reply]