Re: Error: Can't use global $^W in "my"

You cannot use my to declare any of the magical built-in variables Perl has.

If you want to modify the value of a built in, you must use local to do it, and then the modification will be local to the enclosing code block.

Update: Time to revisit local :)

dsb
This is my cool %SIG

Comment on Re: Error: Can't use global $^W in "my"

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Re^2: Error: Can't use global $^W in "my" by calin (Deacon) on Jul 08, 2004 at 17:55 UTC
If you want to modify the value of a built in, you must you `local` to do it, and then the modification will be local to the enclosing code block. A better approach, which doesn't suffer from the problems of dynamic scoping with local, would be to use the lexically scoped `(no) warnings` pragma instead for this particular situation - see perllexwarn	[reply] [d/l] [select]