in reply to Re: 'Invisible' newlines/line wrapping
in thread 'Invisible' newlines/line wrapping

Not exactly.

A "-w" on the shebang line has slightly different effects that "use warnings;" on a following line.

You deserve a reference to read about those differences; sorry; it's waaaay past bedtime, so perhaps another Monk will provide one. Meantime, try searching for "pragmata."

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Re^3: 'Invisible' newlines/line wrapping (-w)
by toolic (Bishop) on Apr 23, 2010 at 02:39 UTC
    You deserve a reference to read about those differences
    From warnings:
    The warnings pragma is a replacement for the command line flag -w , but the pragma is limited to the enclosing block, while the flag is global. See perllexwarn for more information.
    Also: perllexwarn