"Thanks useful info for me."

Just to add a little additional info, you'll find '-w' documented in perlrun, with links to further information, and this text:

"... normally, the lexically scoped use warnings pragma is preferred."

-- Ken

In reply to Re^4: Best Practice: How do I pass option parameters to functions? (warnings) by kcott
in thread Best Practice: How do I pass option parameters to functions? by An_Idea_Within

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