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Don't call then! All advice you ever hear about changes to these variables says "change them only in the smallest possible scope and do not call anything that might expect them to be set to the normal values".

Most of the variables are not changed too often so I would not sweat about it. The only one I see changed is $/ and the code usually looks like this:

my $contents = do {local $/; <HANDLE>;}
my $contents; { local $/; $contents = <HANDLE>; }

and the code implementing readline() for handles is the only one I would expect to check the value of $/.

Enoch was right!
Enjoy the last years of Rome.

In reply to Re^4: Wrong idioms by Jenda
in thread Wrong idioms by McA

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