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vars(3)		       Perl Programmers	Reference Guide		       vars(3)

       vars - Perl pragma to predeclare	global variable	names

	   use vars qw($frob @mung %seen);

       NOTE: For use with variables in the current package for a single	scope,
       the functionality provided by this pragma has been superseded by	"our"
       declarations, available in Perl v5.6.0 or later,	and use	of this	pragma
       is discouraged.	See "our" in perlfunc.

       This will predeclare all	the variables whose names are in the list,
       allowing	you to use them	under "use strict", and	disabling any typo

       Unlike pragmas that affect the $^H hints	variable, the "use vars" and
       "use subs" declarations are not BLOCK-scoped.  They are thus effective
       for the entire file in which they appear.  You may not rescind such
       declarations with "no vars" or "no subs".

       Packages	such as	the AutoLoader and SelfLoader that delay loading of
       subroutines within packages can create problems with package lexicals
       defined using "my()". While the vars pragma cannot duplicate the	effect
       of package lexicals (total transparency outside of the package),	it can
       act as an acceptable substitute by pre-declaring	global symbols,
       ensuring	their availability to the later-loaded routines.

       See "Pragmatic Modules" in perlmodlib.

perl v5.26.0			  2017-02-28			       vars(3)


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