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Class	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Compress	[ DIR ]	drwxr-xr-x	2026-05-29 17:19
Config	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
DBM_Filter	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Devel	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Encode	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
ExtUtils	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
File	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Filter	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Getopt	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
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IO	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
IPC	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
JSON	[ DIR ]	drwxr-xr-x	2026-05-29 17:19
LWP	[ DIR ]	drwxr-xr-x	2020-06-12 11:05
Locale	[ DIR ]	drwxr-xr-x	2026-05-29 17:19
Log	[ DIR ]	drwxr-xr-x	2026-05-29 17:19
Math	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Memoize	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
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Test	[ DIR ]	drwxr-xr-x	2026-05-29 17:19
Text	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Thread	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Tie	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Time	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
URI	[ DIR ]	drwxr-xr-x	2020-06-12 11:05
Unicode	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
User	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
Version	[ DIR ]	drwxr-xr-x	2026-05-29 17:19
encoding	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
overload	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
pod	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
unicore	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
vendor_perl	[ DIR ]	drwxr-xr-x	2026-05-29 17:19
warnings	[ DIR ]	drwxr-xr-x	2026-06-06 18:17
AnyDBM_File.pm	2.56 KB	-rw-r--r--	2026-05-29 17:19
AutoLoader.pm	14.66 KB	-rw-r--r--	2026-05-29 17:19
AutoSplit.pm	19.18 KB	-rw-r--r--	2026-05-29 17:19
Benchmark.pm	27.87 KB	-rw-r--r--	2026-05-29 17:19
CORE.pod	2.7 KB	-rw-r--r--	2026-05-29 17:19
CPAN.pm	132.91 KB	-rw-r--r--	2026-05-29 17:13
DB.pm	18.43 KB	-rw-r--r--	2026-05-29 17:19
DBM_Filter.pm	14.06 KB	-rw-r--r--	2026-05-29 17:19
DirHandle.pm	1.52 KB	-rw-r--r--	2026-05-29 17:19
Dumpvalue.pm	16.5 KB	-rw-r--r--	2026-05-29 17:19
English.pm	4.34 KB	-rw-r--r--	2026-05-29 17:19
FileCache.pm	5.44 KB	-rw-r--r--	2026-05-29 17:19
FileHandle.pm	6.62 KB	-rw-r--r--	2026-05-29 17:19
FindBin.pm	4.45 KB	-rw-r--r--	2026-05-29 17:19
LWP.pm	21.15 KB	-rw-r--r--	2013-03-11 21:33
Memoize.pm	34.4 KB	-rw-r--r--	2026-05-29 17:19
NEXT.pm	18.05 KB	-rw-r--r--	2026-05-29 17:19
PerlIO.pm	10.19 KB	-rw-r--r--	2026-05-29 17:19
Safe.pm	24.03 KB	-rw-r--r--	2026-05-29 17:19
SelectSaver.pm	1.05 KB	-rw-r--r--	2026-05-29 17:19
SelfLoader.pm	16.97 KB	-rw-r--r--	2026-05-29 17:19
Symbol.pm	4.68 KB	-rw-r--r--	2026-05-29 17:19
Test.pm	28.13 KB	-rw-r--r--	2026-05-29 17:19
Thread.pm	8.09 KB	-rw-r--r--	2026-05-29 17:19
UNIVERSAL.pm	6.97 KB	-rw-r--r--	2026-05-29 17:19
URI.pm	33.01 KB	-rw-r--r--	2012-03-25 20:47
XSLoader.pm	9.99 KB	-rw-r--r--	2026-05-29 17:19
_charnames.pm	29.8 KB	-rw-r--r--	2026-05-29 17:19
autouse.pm	4.14 KB	-rw-r--r--	2026-05-29 17:19
base.pm	6.37 KB	-rw-r--r--	2026-05-29 17:19
bigint.pm	17.44 KB	-rw-r--r--	2026-05-29 17:19
bignum.pm	18.23 KB	-rw-r--r--	2026-05-29 17:19
bigrat.pm	14.11 KB	-rw-r--r--	2026-05-29 17:19
blib.pm	2.04 KB	-rw-r--r--	2026-05-29 17:19
bytes.pm	2.96 KB	-rw-r--r--	2026-05-29 17:19
bytes_heavy.pl	758 B	-rw-r--r--	2026-05-29 17:19
charnames.pm	19.22 KB	-rw-r--r--	2026-05-29 17:19
deprecate.pm	3.01 KB	-rw-r--r--	2026-05-29 17:19
diagnostics.pm	17.96 KB	-rw-r--r--	2026-05-29 17:19
dumpvar.pl	14.96 KB	-rw-r--r--	2026-05-29 17:19
feature.pm	11.06 KB	-rw-r--r--	2026-05-29 17:19
fields.pm	9.28 KB	-rw-r--r--	2026-05-29 17:19
filetest.pm	3.91 KB	-rw-r--r--	2026-05-29 17:19
if.pm	1.13 KB	-rw-r--r--	2026-05-29 17:19
integer.pm	3.19 KB	-rw-r--r--	2026-05-29 17:19
less.pm	3.13 KB	-rw-r--r--	2026-05-29 17:19
locale.pm	2.72 KB	-rw-r--r--	2026-05-29 17:19
lwpcook.pod	9.05 KB	-rw-r--r--	2012-02-11 15:02
lwptut.pod	24.89 KB	-rw-r--r--	2012-02-11 15:02
open.pm	7.83 KB	-rw-r--r--	2026-05-29 17:19
overload.pm	52.66 KB	-rw-r--r--	2026-05-29 17:19
overloading.pm	1.77 KB	-rw-r--r--	2026-05-29 17:19
perl5db.pl	302.79 KB	-rw-r--r--	2026-05-29 17:19
perlfaq.pm	94 B	-rw-r--r--	2026-05-29 17:19
sigtrap.pm	7.46 KB	-rw-r--r--	2026-05-29 17:19
sort.pm	5.95 KB	-rw-r--r--	2026-05-29 17:19
strict.pm	3.84 KB	-rw-r--r--	2026-05-29 17:19
subs.pm	845 B	-rw-r--r--	2026-05-29 17:19
utf8.pm	7.6 KB	-rw-r--r--	2026-05-29 17:19
utf8_heavy.pl	30.1 KB	-rw-r--r--	2026-05-29 17:19
vars.pm	2.3 KB	-rw-r--r--	2026-05-29 17:19
vmsish.pm	4.22 KB	-rw-r--r--	2026-05-29 17:19
warnings.pm	18.34 KB	-rw-r--r--	2026-05-29 17:19

Rename

package vars;

use 5.006;

our $VERSION = '1.02';

use warnings::register;
use strict qw(vars subs);

sub import {
    my $callpack = caller;
    my (undef, @imports) = @_;
    my ($sym, $ch);
    foreach (@imports) {
        if (($ch, $sym) = /^([\$\@\%\*\&])(.+)/) {
	    if ($sym =~ /\W/) {
		# time for a more-detailed check-up
		if ($sym =~ /^\w+[[{].*[]}]$/) {
		    require Carp;
		    Carp::croak("Can't declare individual elements of hash or array");
		} elsif (warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z//) {
		    warnings::warn("No need to declare built-in vars");
		} elsif  (($^H &= strict::bits('vars'))) {
		    require Carp;
		    Carp::croak("'$_' is not a valid variable name under strict vars");
		}
	    }
	    $sym = "${callpack}::$sym" unless $sym =~ /::/;
	    *$sym =
		(  $ch eq "\$" ? \$$sym
		 : $ch eq "\@" ? \@$sym
		 : $ch eq "\%" ? \%$sym
		 : $ch eq "\*" ? \*$sym
		 : $ch eq "\&" ? \&$sym 
		 : do {
		     require Carp;
		     Carp::croak("'$_' is not a valid variable name");
		 });
	} else {
	    require Carp;
	    Carp::croak("'$_' is not a valid variable name");
	}
    }
};

1;
__END__

=head1 NAME

vars - Perl pragma to predeclare global variable names (obsolete)

=head1 SYNOPSIS

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

=head1 DESCRIPTION

NOTE: For variables in the current package, the functionality provided
by this pragma has been superseded by C<our> declarations, available
in Perl v5.6.0 or later.  See L<perlfunc/our>.

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

Unlike pragmas that affect the C<$^H> hints variable, the C<use vars> and
C<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 C<no vars> or C<no subs>.

Packages such as the B<AutoLoader> and B<SelfLoader> that delay
loading of subroutines within packages can create problems with
package lexicals defined using C<my()>. While the B<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 L<perlmodlib/Pragmatic Modules>.

=cut